Transaction not yet indexed

PMcUAm1unoZBKqcD5v6jinRXojAXWUaG24Es5WTVMhu3fqVwVKbcKx68pgTGoiqkrGzfFCPhE4iNfZhqB2kpexy

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