{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc12334d2f06ab32be5910848d16935e471a8d1de185e8621e1ecd8f107f75230",
    "signature": "0xf6fc7c4be92fdacbdb6bde6c51b7f1dccfe0fe4f2d7de950467a1774770059d83ff4c52049b019e4ed9573331f76984f6d94647b14cdfe334a874735377107201c",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}