{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0xd4660faa393c0bfc5d9b9f01d79e385af3c8fff3d16f04e834d5924d70aca417",
    "signature": "0x855941aaeb7b971b440d8e789a64cfe8b586f638dc992e6c38dc464e41a1006b63b759b9afbbae7fd136529b7bab28b9d2bedd98bd86d3ff90893be81c2286801b",
    "signer": "0x4f2dc1992AF074e0e00A5C85a6dEcC307aB95e15",
    "userId": "404263867"
  }
}