{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108320",
    "entityType": "User",
    "nonce": "0xd1bb747361f02d034fc1c4462fc8a9a94ad05e29e9cd28401ac2d7b1c0e81e1e",
    "signature": "0xbea632424ace34353711084259a8e66a0d5539f7e6926bed4020e4f5d6ebc654002ec64f71a0ee4108edd22c3185dfcc7e4ee1e6bc081a3df6491728971047f51b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}