Transaction not yet indexed

Uk16MKKgziMVUVRoRnTLja2o4CpeRkEJGihhkctwZGoKXPy1kHQdrF5NvgsU6c33RCPUdswwQJgUuvW25mWRUS1

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