{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356159775",
    "entityType": "User",
    "nonce": "0xb46e02d917ba11f4b64c61d3d317050b06cda45798820aa327927c3902639471",
    "signature": "0x0dcdfb70f34b6b3a9ca292601fc3fc4a9abc55e059c6bd37bcad275a81815c2a30c1e48bb8b095c9fe1a3c4c789a84c5c899a8d90f8ec8353437ceffcec132211c",
    "signer": "0x5362b991b94D466253286017A70080f91A1457F4",
    "userId": "134161412"
  }
}