Transaction not yet indexed

HF6tfTPV3xJn14FcsrgFsySxfpsE96GjSyWSdcBEe6dcrW2mXragEvRgBU7i9csPYr9PyRMEw2NRaYyn8FUL1s6

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