Transaction not yet indexed

21MtLw8xgux1QjyRY76UnVFS5tWQTBEfr1PYLXsnKnZkR3Gs4TL8qDqdkvAqnGx7UAvfFDKsvaBFdLwJKgxCPigm

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