Authorization: ********************curl --location '/api/v1/core/users/me/signature' \
--header 'Authorization: Bearer <token>'{
"success": true,
"error": null,
"data": {
"signatureUrl": "https://account.blob.core.windows.net/media/users/abc123/signature.png",
"firstName": "สมชาย",
"lastName": "ใจดี"
}
}