Transaction not yet indexed

21UkdbZVFJHftF7w746jnxakM8w7yTUNGnr5vwhPkVj4wu8DhN5WWD76CCPDqgpr5ftHavKYXLNHJnqVEsLyypB6

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