{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279338592",
    "entityType": "User",
    "nonce": "0xd56dc5f429bce9e300534808de7be4f287169cd3ee0a58eb66573012a76e74b2",
    "signature": "0x1d4cc79f4d4b347d4a764310230a3783ba2d78b413ed1def6f3cbc49b250ca486f6a92b518cc2ecb03b3cd0f76d021902404819fc0ea767e7ca62b53332047831b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}