{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143127",
    "entityType": "User",
    "nonce": "0xbcbc74e89b47476b0e2465624b965b672c9557d6370436e8844c2ccce709c625",
    "signature": "0x9ffe360eeef8f00a24d97841ac236e55aa89dd564aa0eb310a2117e0e2f04575165f5eaa21728a9752967f76ff90b5d4de446cf988a10504d04de54d453011a81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}