{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x5141cfc1a536c7d9c6bf60b5ffd605356477cba27c6f9521a27435dc451ab6fb",
    "signature": "0x49264f2144eac777f06428961e1d9f1af267f36541ba10c34b4d2044ce5dd9de54800d52692bad3a38e1f53cf2b18d38ea87e52d661614dd1f30fbc173bf78db1c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}