{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0xa1a56bc17acdb73b9c8c9f604ff76334f24c571f46417694a1ecf6eb3467bb4a",
    "signature": "0x7e7100d2c365a2d01df5946e322a098c6758e55b763e52b46f4482c65da724ea032fa1af12137a6e1c66f35b3887db31a1c684a8112802e7efaa4d40041bcf281b",
    "signer": "0x182fd837C1acE765D4953bA8d602948d6025afee",
    "userId": "375501"
  }
}