Transaction not yet indexed

mam2VMTQBUKGSrBbNuArDxeMYpZW7wMkDMgXTb3AerMyrmCJbjrRMjabMTr2ccnpDRCBjamVLi9BuZyVnJEPSiP

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