use values that return non-null response

Author: bh2smith

src/content/developers/docs/apis/json-rpc/index.md

@@ -1245,8 +1245,8 @@ Returns information about a transaction by block number and transaction index po
 
 ```js
 params: [
-  "0x29c", // 668
-  "0x0", // 0
+  "0x9c47cf", // 10241999
+  "0x24", // 36
 ]
 ```
 
@@ -1257,7 +1257,7 @@ See [eth_getTransactionByHash](#eth_gettransactionbyhash)
 
 ```js
 // Request
-curl -X POST --data '{"jsonrpc":"2.0","method":"eth_getTransactionByBlockNumberAndIndex","params":["0x29c", "0x0"],"id":1}'
+curl -X POST --data '{"jsonrpc":"2.0","method":"eth_getTransactionByBlockNumberAndIndex","params":["0x29c", "0x24"],"id":1}'
 ```
 
 Result see [eth_getTransactionByHash](#eth_gettransactionbyhash)