{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdff585edbe694b7bb983023b3afaaf251a9c623b84d41f5cbf953db2f03558a6",
    "signature": "0x8912f13c715f3f787640294845bfa802f024ebee43b4b3cca638403e46f5b98b30e6157891e6128f6d1ef1d0a72a58a42da06923c39d83b09eee422dcf79703b1b",
    "signer": "0xcDd4bA67dFa5A12799fdF828BAe6484f14Fb02Fc",
    "userId": "502753271"
  }
}