Transaction not yet indexed

SeM54CknMLvbzJpVL5obgvu19bFR2KRdaBbvkGLTJABQyStpf6Me4UkzafVSFzpxfYQ8JmseR4NfoFPqSzjApM4

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