{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14390",
    "entityType": "User",
    "nonce": "0x0be12d2c4b97d2dd89746f0a2f4e63a95ff91d43a057ae9860592c450191580c",
    "signature": "0x7f5aa3e5456c83ed365d306f9460a72d895a695a36d04cf44f5334a74e39c52130555db9d9b1ecf05e31d7329ed4267dea87055cbf7b5af33c7ef521302c56df1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}