Transaction not yet indexed

MHXffMDYWLPL3W79RYWwt7e9s6jLRHC8bPGeMmv2tQXuj5pz4ysSUGK1ezBHZYadQCUQCcUWTEVKT4jRrRSN6rZ

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