Transaction not yet indexed

5M66tecGYKB9sjyo8XN6TiRhkvT6zwz9A6sQa9LvfWAX3rw1w1j2FqDuH9y7zUmUaktcVSRUjzvdJ3NMVHWhtDk3

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