{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1612",
    "entityType": "User",
    "nonce": "0x6c0a8422876aeec4f8ef1aeb32d71335bd7e0ae497b927fb7d1dbd9427e3b51b",
    "signature": "0x6fc56460768c23c477851d6414a058b62dcd7c4e134fca4a750a75af45ea00cb7b213c4d8c631646c113205459081e6146ed22d3d179dee7d7aa1485255dc5d41c",
    "signer": "0xD6af0C8ACa4F65cbFa489185784cc401F1218666",
    "userId": "529296046"
  }
}