Transaction not yet indexed

53HFuaTYTRdx5QbGoQKh3sJm51nrZfGhyKMWkmSurG6fGoDGtxFn2BmxETnAnmgbqGSjAvPt5YmgKjZwjHM17XG2

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