{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xcf2e0896704e3602fff72f735545c363758b692a3da69a0dfc0a0a02c45754a3",
    "signature": "0x112e927518ae3438bd46e7f005568a4bc508a5d18a14121cc0c820994129098500d91b873656968b6a163c73aba8e7e34b47b43c6478e18b9ebdf969653a64051b",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}