Transaction not yet indexed

RFk5cUTXnjsjs1PC6hKwSoj7zZJ1z5yhyEiv9SFXYBPX6eDgraBxCi3qpjsDEC3xYUs5VYmMz5QsRYbQ3A3wGpS

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