add request signatures and GET/POST requests

identity/.sqlx/query-ad1116f3443ba2c3093c6c7605508d7c7ce717e42f970ea30fd7e828c8c9ef06.json

@@ -0,0 +1,20 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "select exists(select * from instance)",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "exists",
+        "type_info": "Bool"
+      }
+    ],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "ad1116f3443ba2c3093c6c7605508d7c7ce717e42f970ea30fd7e828c8c9ef06"
+}