{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49536",
    "entityType": "User",
    "nonce": "0xd4fa4dd8889cd05726aa9d4e01b7d7a442a99bf0649c8bd2ed259eefec5f419b",
    "signature": "0x5b8105a1a560c400cb9ba98dee9e7ef110f2f062cbb1bd7f80e0cbc061219bd13c8dda47f10428fde63a17e8efdd95501ee0a016f050055a8c869d3fcfcd061e1c",
    "signer": "0xF4D35113bf653395d3a48c106C53522928Ffbd1d",
    "userId": "159182864"
  }
}