Transaction not yet indexed

pkkfM9BC18aEKVD2fX9s2RLdbHAWLoWS2H9Agh7pBLnvf3jsMzTkXwKq7ZuvFNAnqwMsDBQwc3v1cSMt6uCnjcx

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