Transaction not yet indexed

53UncKxAk1uhPebPiTWq2er64HUY7hZ8R7dsiHToXqf9EtrZQuuKgz7YDMrryEJx1g2dWSuXb8ANSqk2pyUUP7js

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