Transaction not yet indexed

NmNNGhvSJJxA9CP4iLHTxxytnYxBsVYzsw3S8cqKBGvuaFLwp56FxvLcyUE7dZao55v8JJSGZbZbc548FX4tZ3r

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