{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x6623426aaa793cf20390ee85c015510341deca17616fc145effef33a3fdb177d",
    "signature": "0x13660832883aba34dcc79a636a5d600b31a22f083324e1883076964c2c6548610f8e19c8db3c6e6d80ac725f2a536e2d38a1a521fbb95d13f4a80ef4dd3e0efa1c",
    "signer": "0x89EA9Be0Cefd53f285d77356b4395f079931a5EC",
    "userId": "822518796"
  }
}