Transaction not yet indexed

mygnNcjEgNzwwAmYJtYkAaiQPn7WvzqGWEFFQ2cn4Pq5oKQR2zX5CPW4bwdFnfJr6feAtWTNGF2mkTPJU6gMLo1

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