Transaction not yet indexed

2C51cLbdtpSjXZhh8i25peKd4bWqiQwE61Am2ZfcB3oH4kdK3UQH9oNg3GocqLLgYnhLYmqL2PS44HFzT6PdDfW6

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