Transaction not yet indexed

Tu53HMwLW5PfYFcqCKLPdJ4dvAPtfubxG8Ckk6FD8iPKxLPDqSFnTGgcSq5LxL4PGAYbTCqjmk8YhyTyAn5EXEz

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