Transaction not yet indexed

MST66ZyezR5NPmGmQBxDCBHaUtJqZTvSCrjBryUdyrWX5NgqPx8T19WNLa5FEmBjWoJ7Bw1Pq4FZzmzQp3TPgzD

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