{
"OpCode": 0,
"Url": "string",
"VerifyContent": "string",
"Wxid": "string"
}curl --location 'http://test-cn.your-api-server.com/SayHello/Modelv1' \
--header 'Content-Type: application/json' \
--data '{
"OpCode": 0,
"Url": "string",
"VerifyContent": "string",
"Wxid": "string"
}'{}