Transaction not yet indexed

YMamp3ooobe2iYWH6csb6eBgVSw1dHcaaDrSNoiRGQuuwV9NjZ6diDG67ZXqB7qDmmDZfSANWPbiDcwV97XNqs8

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