Transaction not yet indexed

pm51esstPkQug4FUVix4iuwwHqUfgFfNgiSWqbRnZoFXkYPh6BtLWjxEYB52K9E2xEMpFEASGKdHrFFTjtzoqPt

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