Transaction not yet indexed

NPhg6MCDVWZAGpU8R3xXeeXqCKemL4MmcHbZ1ZgCVJzzk8vdGaktWsx6MbBZWAR2P7RQAkyTzP8uKZvYGJS7aP1

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