Transaction not yet indexed

mb8tMVNznEuYf4uWtDwsEaGckCijAejNuQcvTcui5Si37ywyRxJXsLYT9xqwEVqTACTHQNnha8avEBGpBG5Wr13

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