Transaction not yet indexed

21SUf5HHHAggcJrqAoP5uueCef7iK5HtHU2TrkpjoVUQSeKVaMzaSk9dXDCMBJDmQXHaXPFNCHGZSH2UNneR6JoD

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