{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51978829",
    "entityType": "User",
    "nonce": "0x9cb59db942376385ac4871f207ef179dd05dabc3fb96a7e76816c7c4f1b1cec2",
    "signature": "0x880d1f4807e6187217812600fe91f10940c1e9ed990dc9088b7e2981689200803b05368e8ad363dfd52784485a7a6453436ffa4cc02fd5f0f84354cb1c3f4d671b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}