Transaction not yet indexed

53CfBi5kYiuimpxMqCA7HX2uuFDrKiRrZs2XhGVNRefNcRq2mFUm6SwvMgMGqCa9N7Av4FQZQo2BVz7qWFxXyxUn

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