Transaction not yet indexed

mt78tqPHXkKJeGRHf8PUTYv7reFunxdRvxA3vcGbxeqEm2K8wWnHqPJWCq33Nwmsk2GJGYDxRQJFpPz6i7FD9fL

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