{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xea51964bfec75ff35ef5701cbafad5f34e8bf8a3a88a171640448334b7fcb471",
    "signature": "0x37332c58ffec7c236adf286db41a6ed83ffce25c1fa70649ef12c75beae0a4a270d1065e27cdeb3cc41976956dbd708c6e3f1d42723782592b917dae3f267fb51b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}