"error":{"code":-32600,"message":"Invalid content type","data":null},"id":null}

[zxyAcmen]

I am trying to use jito RPC to go live on the chain, but this error message appears. I don't know which format is the problem, please help me.

[zxyAcmen]

bundle_request: Object {"id": Number(1), "jsonrpc": String("2.0"), "method": String("sendBundle"), "params": Array [String("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")]}

这是打印出来的请求数据结构