{
    "type" : "create_event_trigger",
    "args" : {
        "name": "testtrigger",
        "table": "users",
        "webhook": "https://httpbin.org/post",
        "insert": {
            "columns": "*"
        },
        "enable_manual": true
    }
}

curl 'http://localhost:8080/v1/query'  -H 'Content-Type: application/json'  -d '{"type":"bulk","args":[{"type":"run_sql","args":{"sql":"CREATE TABLE public.\"users\"(\"username\" text NOT NULL, \"real_name\" text NOT NULL, PRIMARY KEY (\"username\") );"}},{"type":"add_existing_table_or_view","args":{"name":"users","schema":"public"}}]}' 

curl -H 'Content-Type: application/json' -X POST -d '{"type": "create_event_trigger", "args": {"name": "testtrigger", "table": "users", "update": { "columns" : ["username", "real_name"]},"insert": { "columns" : ["username"] }, "enable_manual": true, "webhook": "https://httpbin.org/post" } }' localhost:8080/v1/query

curl -d '{"type": "invoke_event_trigger", "args": {"name": "testtrigger", "payload': {"new": { "username": "manualusername", "real_name": "manualrealname"}, "old": null}}}' localhost:8080/v1/query