Transaction not yet indexed

a21JgVXnP1G2PaByBjGkf8jqQzQyx6JveZUd19UpRFpmCAwKrs91rtFGt9KZJMQ4jUZcoFZfMuYqHFG8fmxNSQQ

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