Transaction not yet indexed

MEX3GYKywfYAZdcXpon7nXqYBEWdybFjZLCWzXLQ7NXwd4YB7vf2eReLwP2w6qcEGvyQL9HzvZ3rd1vw5csGmsj

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