curl --location --request GET 'https://apis.avata.wjlhshop.com/v3/native/mt/classes/' \
--header 'X-Api-Key;' \
--header 'X-Timestamp;' \
--header 'X-Signature;' \
--header 'X-Api-Key;' \
--header 'X-Timestamp;' \
--header 'X-Signature;'{
"data": {
"id": "string",
"name": "string",
"data": "string",
"mt_count": 0,
"owner": "string",
"tx_hash": "string",
"timestamp": "string"
}
}