{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106767",
    "entityType": "User",
    "nonce": "0x4461c9c3416f26fc14fa2048f4b603a6ce3ace28dd9c26232edbf0830f893533",
    "signature": "0x64a76f2937d659f7ea253ccacc915c97095b0195e1234eb45b8efbd8cac6373931f8f9769c5b8a7264b4a87b31cc67ffad95aa87b0af42be738233227a7d2bba1c",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}