Transaction not yet indexed

21HKKwWhh3eJ2FkD5PT2QYWeWvbEXuUSvXzjqh9GCCZMZg3ZqAsUHYHvXLCEYaAcmUXikrmzRaXZNAKw8pX52p1B

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