diff --git a/packages/relay/src/lib/eth.ts b/packages/relay/src/lib/eth.ts
index 3188b50cb1..de48d5a47c 100644
--- a/packages/relay/src/lib/eth.ts
+++ b/packages/relay/src/lib/eth.ts
@@ -51,6 +51,7 @@ import { IDebugService } from './services/debugService/IDebugService';
 import { DebugService } from './services/debugService';
 import { isValidEthereumAddress } from '../formatters';
 import { IFeeHistory } from './types/IFeeHistory';
+import { ITransactionReceipt } from './types/ITransactionReceipt';
 
 const _ = require('lodash');
 const createHash = require('keccak');
@@ -93,7 +94,7 @@ export class EthImpl implements Eth {
     oldestBlock: EthImpl.zeroHex,
     baseFeePerGas: undefined,
   };
-  static feeHistoryEmptyResponse: IFeeHistory = {
+  static readonly feeHistoryEmptyResponse: IFeeHistory = {
     baseFeePerGas: [],
     gasUsedRatio: [],
     reward: [],
@@ -1892,7 +1893,7 @@ export class EthImpl implements Eth {
    *
    * @param hash
    */
-  async getTransactionReceipt(hash: string, requestIdPrefix?: string): Promise<Log | any | null> {
+  async getTransactionReceipt(hash: string, requestIdPrefix?: string): Promise<any> {
     this.logger.trace(`${requestIdPrefix} getTransactionReceipt(${hash})`);
 
     const cacheKey = `${constants.CACHE_KEY.ETH_GET_TRANSACTION_RECEIPT}_${hash}`;
@@ -1913,7 +1914,7 @@ export class EthImpl implements Eth {
 
     if (cachedLog) {
       const gasPriceForTimestamp = await this.getCurrentGasPriceForBlock(cachedLog.blockHash);
-      const receipt: any = {
+      const receipt: ITransactionReceipt = {
         blockHash: cachedLog.blockHash,
         blockNumber: cachedLog.blockNumber,
         contractAddress: cachedLog.address,
@@ -1969,7 +1970,7 @@ export class EthImpl implements Eth {
         });
       });
 
-      const receipt: any = {
+      const receipt: ITransactionReceipt = {
         blockHash: toHash32(receiptResponse.block_hash),
         blockNumber: numberTo0x(receiptResponse.block_number),
         from: await this.resolveEvmAddress(receiptResponse.from, requestIdPrefix),
diff --git a/packages/relay/src/lib/types/ITransactionReceipt.ts b/packages/relay/src/lib/types/ITransactionReceipt.ts
new file mode 100644
index 0000000000..248b402a91
--- /dev/null
+++ b/packages/relay/src/lib/types/ITransactionReceipt.ts
@@ -0,0 +1,20 @@
+import type { Log } from '../model';
+
+export interface ITransactionReceipt {
+  blockHash: string;
+  blockNumber: string;
+  contractAddress: string;
+  cumulativeGasUsed: string;
+  effectiveGasPrice: string;
+  from: string;
+  gasUsed: string;
+  logs: Log[];
+  logsBloom: string;
+  root: string;
+  status: string;
+  to: string;
+  transactionHash: string;
+  transactionIndex: string | null;
+  type: string | null;
+  revertReason?: string;
+}