Transaction not yet indexed

mttxLWC2yZTiPRZKtKHsjs94GgBT6cev67NdVWWro5mL1PdQeKpRbA78icTfYxnVmWa8F8hjePGwnLxUNuyVRM1

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