Transaction not yet indexed

21c6c4rotXTTR9m6XEoKemUm877uQudjcLkHmsqYEhmAQuKxPFJfszwYwwECkhUQd8Zx1HTG7q3LNYYEk8pA5Pzx

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