{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x235b6958883a89d1e51c2fcf69f3c912f22a263025eda711842a713f4bffbd6a",
    "signature": "0x1d8686d570f0787b5b6a97b8745957659c160c4c23bee807065f88f459fefecf7e0af9cac055e5a5d6e22ccc69385907d8e84ff44825ef1df73ae70e0f5aaf111c",
    "signer": "0xe5C8656B7b39CB23624854b7B862F491EAbA2dB7",
    "userId": "713838474"
  }
}