Transaction not yet indexed

51n8tMFd9C17BUB6QhfJWgqwXEnx8W6LWGNMm9Tmv2GsMQn5yBwESejvBKZuAQ4HqSjwsSz9hKQudktqASJbtee2

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