Transaction not yet indexed

5U6q8K21bBmz42BVNjd6aPTi4WgpnYSxgHTzZ5nCcrpTRDPc9QKQtAMNBmtrwg5f4Mv4jCNaaSCB6qZdqRNN4Lif

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