diff --git a/lib/web/rgb.ts b/lib/web/rgb.ts
index 1b915656..1033b48c 100644
--- a/lib/web/rgb.ts
+++ b/lib/web/rgb.ts
@@ -5,7 +5,7 @@ import * as BMC from "./bitmask_core";
 
 export const issueContract = async (
   nostrHexSk: string,
-  request: IssueRequest
+  request: IssuePreRequest
 ): Promise<IssueResponse> =>
   JSON.parse(await BMC.issue_contract(nostrHexSk, request));
 
@@ -250,7 +250,7 @@ export interface IssueMetadata {
   collectible?: NewCollectible[];
 }
 
-export interface IssueRequest {
+export interface IssuePreRequest {
   /// The ticker of the asset
   ticker: string;
   /// Name of the asset
@@ -266,7 +266,7 @@ export interface IssueRequest {
   /// The name of the iface (ex: RGB20)
   iface: string;
   /// contract metadata (only RGB21/UDA)
-  meta?: IssueMediaRequest;
+  meta?: MediaRequest;
 }
 
 export interface NewCollectible {
diff --git a/src/structs.rs b/src/structs.rs
index f4842e19..b1a880d0 100644
--- a/src/structs.rs
+++ b/src/structs.rs
@@ -112,6 +112,41 @@ pub struct IssueAssetRequest {
     pub request: IssueRequest,
 }
 
+#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+#[serde(rename_all = "camelCase")]
+#[derive(Validate)]
+#[garde(context(RGBContext))]
+pub struct IssuePreRequest {
+    /// The ticker of the asset
+    #[garde(ascii)]
+    #[garde(length(min = 1, max = 8))]
+    pub ticker: String,
+    /// Name of the asset
+    #[garde(ascii)]
+    #[garde(length(min = 1, max = 40))]
+    pub name: String,
+    /// Description of the asset
+    #[garde(ascii)]
+    #[garde(length(min = u8::MIN.into(), max = u8::MAX.into()))]
+    pub description: String,
+    /// Amount of the asset
+    #[garde(range(min = u64::MIN, max = u64::MAX))]
+    pub supply: u64,
+    /// Precision of the asset
+    #[garde(range(min = u8::MIN, max = u8::MAX))]
+    pub precision: u8,
+    /// Seal of the initial owner
+    #[garde(ascii)]
+    #[garde(custom(verify_tapret_seal))]
+    pub seal: String,
+    /// The name of the iface (ex: RGB20)
+    #[garde(alphanumeric)]
+    pub iface: String,
+    /// contract metadata (only RGB21/UDA)
+    #[garde(skip)]
+    pub meta: Option<MediaRequest>,
+}
+
 #[derive(Serialize, Deserialize, Debug, Clone, Default)]
 #[serde(rename_all = "camelCase")]
 #[derive(Validate)]
diff --git a/src/web.rs b/src/web.rs
index ecea196e..606dbaf3 100644
--- a/src/web.rs
+++ b/src/web.rs
@@ -7,10 +7,10 @@ use wasm_bindgen_futures::{future_to_promise, JsFuture};
 
 use crate::rgb::structs::ContractAmount;
 use crate::structs::{
-    AcceptRequest, FullRgbTransferRequest, ImportRequest, InvoiceRequest, IssueRequest,
-    MediaRequest, PsbtRequest, PublishPsbtRequest, ReIssueRequest, RgbBidRequest, RgbOfferRequest,
-    RgbRemoveTransferRequest, RgbSaveTransferRequest, RgbSwapRequest, RgbTransferRequest,
-    SecretString, SignPsbtRequest, WatcherRequest,
+    AcceptRequest, FullRgbTransferRequest, ImportRequest, InvoiceRequest, IssueMediaRequest,
+    IssuePreRequest, IssueRequest, MediaRequest, PsbtRequest, PublishPsbtRequest, ReIssueRequest,
+    RgbBidRequest, RgbOfferRequest, RgbRemoveTransferRequest, RgbSaveTransferRequest,
+    RgbSwapRequest, RgbTransferRequest, SecretString, SignPsbtRequest, WatcherRequest,
 };
 
 pub fn set_panic_hook() {
@@ -381,7 +381,25 @@ pub mod rgb {
         set_panic_hook();
 
         future_to_promise(async move {
-            let req: IssueRequest = serde_wasm_bindgen::from_value(request).unwrap();
+            let pre_req: IssuePreRequest = serde_wasm_bindgen::from_value(request).unwrap();
+            let media = match pre_req.meta {
+                Some(media) => {
+                    let media = serde_wasm_bindgen::to_value(&media).expect("");
+                    let media = resolve(import_uda_data(media)).await;
+                    Some(IssueMediaRequest::from(media))
+                }
+                None => None,
+            };
+            let req = IssueRequest {
+                ticker: pre_req.ticker,
+                name: pre_req.name,
+                description: pre_req.description,
+                supply: pre_req.supply,
+                precision: pre_req.precision,
+                seal: pre_req.seal,
+                iface: pre_req.iface,
+                meta: Some(media),
+            };
             match crate::rgb::issue_contract(&nostr_hex_sk, req).await {
                 Ok(result) => Ok(JsValue::from_string(
                     serde_json::to_string(&result).unwrap(),