{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75322",
    "entityType": "User",
    "nonce": "0xa503222fadca5f61888c6d44ce3e7bb107ae18703225886e9fd0d22399cf7d59",
    "signature": "0xd04e286afa4112cf996de9baee0f7eb89311e2103e4bf41608bfaa8a37c6a673627f69d7fa0e2d8213bcff48d60f0053249a5691b36f0886ba154211e95579801c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}