Transaction not yet indexed

MhmpHQUTAuFqmKDm3WMVj6L75BnKaY31ZQbAtFV8eTYBvxTBCKDXZbiShUzdTDCC6LUaZwtdRZdEQQLEoftYEG9

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