Transaction not yet indexed

28CoJfq6eWASLSffSyVLnmeTkShqZNSU1dkAiZcdN3KCjS6pnJ97CLArHYd4w2d6UPdj2dzRfhqvDnKkMbassqF8

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