{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8cb595b93f773c9458fc1ddf7c3720e5e59512934dbceb83a09edd6e637d3158",
    "signature": "0xb2ddceeb5f80754a5410df74f14876757cdab321043d0f4ae224b3ae0330204702ea42d7fea58f5184b95ae4548c104597ffa6622e81910d418bca36a7d6eded1b",
    "signer": "0xA9012b628a5Bed1406f97647fc6Be02eC3BF75b1",
    "userId": "141875639"
  }
}