{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149665",
    "entityType": "User",
    "nonce": "0x0297a11d9740af8f91130df82dced77b096eaa6ae74755543e3ebbd0a6e81268",
    "signature": "0x37524553f6775799e2949f423ff4bfe8c2c37a1182613bbd7dfd749d1c24a405481fe552eac9698736f933dafcf3cac3e4e9882f5249c77e6e7deeb8d74e29481b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}