Transaction not yet indexed

21SB9XsS6RFXmq6EUwG2irjVUSWhFRYtiLuJYipJnt1dhn23cLqikjjHg3C9GXS7ADZ1Z1mzqtThQ4WL7LkZ8pp8

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