{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386992",
    "entityType": "User",
    "nonce": "0x9e685928b203ebdeedfba7a17e1186b49f002af818bf8d7696d64828bb27280d",
    "signature": "0x983d2677fdf2adffec312ff006c4b29e2316cf048e0f3f5187333eca0d0911db6e440d205034aa9aa7cd16f8641708b84fa469208c647849325ec57fd7c588db1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}