{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373162",
    "entityType": "User",
    "nonce": "0x998721b87b96d2fd6ef8a9affb896a7d95dcdc15e9eb2ed4974283063f584bd0",
    "signature": "0x2f05b8a98e7e9a67d86d55e0e4eb9dea3a9085564ac285a9a403ad557ade1a5c30123b5889beb05c04e376aa181020704d2ef57f3e4d84a896e379b883c93be71c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}