{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58834490",
    "entityType": "User",
    "nonce": "0x6bed7557a87f6185b5a48196f6bd1238495a720ad8202ded42c1c58b08c11bbe",
    "signature": "0x5176aaa3bb5424c68e4b8f4ddafab5c9ab1f66a910b05e582a9cda4bdeac25746d8e1450bfb75b5c4a8b7fabf638211305143c3cd1c0c351e229f2599f5ff4c71c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}