Transaction not yet indexed

MttU3ynJBDxQARpMtZQetqqJURJ14Ztw3XWSqsMLHCfHxTY8MujyEazk9MED3MTw5ZBwZbw4aR4weeSLRTDm9oS

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