Transaction not yet indexed

66MC4skFk161XZSVPAp2BUFhK14TGLQVeLS5PWdBLC9b4x2skT6oWiVsQcxz2ULH3k5GvF2e4Jv4eP72W2sZFHW6

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