The Solana web3 connection object pointing to a Xandeum-compatible RPC endpoint.
The transaction signature string whose result should be queried.
A Promise<any> resolving to the parsed JSON response from the RPC server,
which includes the result of the transaction if available.
Sends a JSON-RPC request to the Xandeum-compatible endpoint to retrieve the result of a transaction previously submitted with a specific signature.
This function calls the custom RPC method
getXandeumResult, which returns the result associated with the given transaction signature.