Transaction not yet indexed

M66Rgsi7aAZAhGFqzH3NMXwPBQkSfM1Evwy17DjxYXJsQLsonxK3DsjCU7LSVKbB9URHX7UDBcoN3ZADHcKTFP4

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