{"openid":"oDjGHs-1yCnGrRovBj2yHij5JAAA"}curl --location --request POST '/cgi-bin/user/convert_to_userid' \
--header 'Content-Type: application/json' \
--data-raw '{"openid":"oDjGHs-1yCnGrRovBj2yHij5JAAA"}'{
"errcode": 0,
"errmsg": "string",
"userid": "string"
}