{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8152",
    "entityType": "User",
    "nonce": "0xcec6fe0da1f0ea75c4c735a7140abab505c11eca9f1c06d1b4b2846fdc123d60",
    "signature": "0x407de21e0c3e886694e1d797d43a8b5331f4aa33456d45ddd76d970c35add842548c0ee3625cdccdb56f2723cac51bd09956ee09e1ad0694ba9be9d9b8592c741c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}