Transaction not yet indexed

Mpff9FVSkyT2yUvBiKzmi6WZwDpriwSukbqsBJuXZcAQGaW2pafm3qh4mB3KJGmuVLfRFd88vEBavHGgXo7oLEQ

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