curl --location --request POST 'http://test-apisix.taolihanyu.net/apusic/app-api/v1/zego-ai-agent/api/start-digital-human' \
--header 'payload: {'\''mid'\'':{{mid}},'\''username'\'':{{username}},'\''userType'\'':,'\''campusId'\'':}' \
--header 'Authorization: bearer {{access_token}}' \
--header 'a-version: 4.14.0' \
--header 'a-language: zh' \
--header 'ostype: ios' \
--header 'Content-Type: application/json' \
--data-raw '{
"digitalHumanId": "string",
"digitalConfigId": "string",
"userId": "string",
"roomId": "string",
"userStreamId": "string",
"agentId": "string"
}'