{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11509",
    "entityType": "User",
    "nonce": "0x9ba2f216b12dd248dc550b8d5b35eaca3f5dd47687a26cc11fb45718ad3376e8",
    "signature": "0xec06b2c7ea70a6f719bd9bf081c9f93d1e5a910a9e69d9b9515aa730069c5ada0ccd652620ea0a45c142fe0c1cd07194589882df8a3288d5f6f082ed26ead8841c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}