{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405117",
    "entityType": "User",
    "nonce": "0xa006a555fc97196768f1c33960a8dcc757e19594223051792d6119a09f10d31b",
    "signature": "0xf62a3b395850dda49f73b4078df63b4d286e4579a5870d6224e207f2324c4cca3998fbeb8f389bd7ac5dff4591592b4315ce3fb84ee992539dabfb082299932e1b",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}