Transaction not yet indexed

Mx6ND6ubxsRfNLgUoXJ3WGfyFKG6cpPBPsC3MXbNLE84Gf14QfhnEFMThszNL8dSGzem1ti9qR3iuLt8stYjYrz

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