Transaction not yet indexed

MMg55Vwm8Dne5CyAJGQTb5SDV5n7MLmSiB13zCnyxr5dQjQkKWCh4ZLD58W7AW6ZpVb711mLEMEGEwVH9ALgoH2

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