Move message content to message_json

.sqlx/query-af08f3524c316f438feb62a24c67b96197e3655a87efe128914ed386be20d900.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "MySQL",
+  "query": "\n            UPDATE channels\n            SET\n                nudge = ?,\n                webhook_id = ?,\n                webhook_token = ?,\n                paused = ?,\n                paused_until = ?\n            WHERE id = ?\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 6
+    },
+    "nullable": []
+  },
+  "hash": "af08f3524c316f438feb62a24c67b96197e3655a87efe128914ed386be20d900"
+}