Transaction not yet indexed

Mb9EDkXi3TfVLkpTip5a5V1XqNyYTW4vEoHDJZvMfsZpaWTT1yN5eLcxhK5kgjWbJw45k6oVNHc1UVhY2oaRQ37

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