{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27607",
    "entityType": "User",
    "nonce": "0xa93cb3b712b54830161a345d8d9988c051b20561dd5d0d82384b62980d07cd53",
    "signature": "0x7fa325b9af7c2565492bfbb107de87d819b0eddaafbbd0195e09dcc0c8e0f5694ea6dc68caa90a99f7337c282e694dcad2685f27c596a3fecfe3dc33384395471b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}