Transaction not yet indexed

M5tEN2rgAELx2LD3puLNjTkfC6NGEcemx1feAJq56NfVuaj9ix3rPkYbUvwVV9gBcrBTJDRrr6rYgCoprxWSyL2

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