{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57568",
    "entityType": "User",
    "nonce": "0xc9df11aa130aabfa7e5a5167c67d0e4a159745c9fef4e48af39833eeda0713d8",
    "signature": "0x6dedafa7ce06339e75d21fdf66393e92715494ea7073ddd0cad6ef80d2a213cf5fe79554a945aaa6a95e6c5911884fe4d0eef7882919583d52da352019b1f1491b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}