Transaction not yet indexed

MU1hWaR5jrcwspfGXjdNAJQqNvwtRVAsEDVv7uZ5TySxiijFyqDYQbctqaJ8AyvyjMHJdzJxxZzkqvGHnp7UMP5

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