how to use the thrift to define the raw body?

[LF-DevJourney]

Suppose there is request like this. How can I define it in the hertz thrift file, and bind it to the request parameter.

curl -XPOST  -d '{"sing_record":[{"a":"b"},{"c":"d"}]}' '127.0.0.1:8887/x?id=1'

I use this:

struct SingRecord {
    1: map<string,string> sing_record
}

struct SingStatReq {
    1: string default_channelid
    2: list<SingRecord> sing_record

}

struct SingStatResp {

}

I cannot get the body parameter.

I also tried the (api.raw_query), but cannot find any example in the doc.

[github-actions]

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