code: func NewRPCRequest(id string, method string, params json.RawMessage) *RPCRequest {
  	return &RPCRequest{
  		JSONRPC: "2.0",
  		Id:      id,
  		Method:  method,
  		Params:  params,
  	}
  }
docs: // Create a new RPC request. This is the generic struct that is passed to RPC
  // methods