Transaction not yet indexed

53ZkGYmbRWpbHVmCBzFUm1afUiEXKbeFcSVndDZKQXsAFnc7WvNaWWkhcXNV2pXi8En3xWcKGXtkR668gmGq8bnN

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.