Transaction not yet indexed

21mGxmSdJQD4Yc3Pkmm16Y4bfa1NcgiMsevXafqCuA84qtesqd3c8PV1ZVgMD8tVWdnXxaoEWmmz5QWnkxpPsJX6

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