{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147596",
    "entityType": "User",
    "nonce": "0x4716b9017febb28ced65575f885015ab06cfc9748e35c2c54bd3e39d7d231b49",
    "signature": "0xa4f2f50d52c6a53fffccbc737989d1fdc5ae4e613838575ffa4550281278e26d7b1c9bf4cbee0a206d91ef1339c4ac54a2f537a7c8e4f0a2e26634496955e43f1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}