Transaction not yet indexed

M21dvvPYFNHeR13HXXdGCoAzYad11wqWpoNBhMPq5eRXXZ9fxV8cQryeEQobK93KPdu3hbDiuQD4JFzegnfe9Fx

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