{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82764298",
    "entityType": "User",
    "nonce": "0x8c3f56d398e28704fc6c437b429a59c004646d360198b685e0a38654f5e3328d",
    "signature": "0xa7dfba2e5594b614acd82964e4febca5f0e03f80311e62d772d93b743b5c6eb1615fbaaa16e658b77962a282d484b7cadfaa0be24183ec5c0c582c98d9d284931c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}