Transaction not yet indexed

M99zDK8hBzpcEXXNfDoXUHZufNg9q2gA2YDnaHuULr2fHTXRY4qLXgErggyhpYMN2V7nHbMbGTrhBTAue3nGNny

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