Transaction not yet indexed

Ub16cCboU8xu7cKxtbKXjFtK8QSVmCyYziHqEQDkytPW4cYfhzt2mWBvbzmvX9BuWAog6dT8WcjWbyymTi1A9iR

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