Transaction not yet indexed

MTHk6XukaiUBoUcBwsHcrhhCPwaPBmAh7FdDJhSNf7pNbCcZnJzmWZMCPCm5HfcEyr2v3zBMJ2fWxSWpnJFKMrH

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