{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15568",
    "entityType": "User",
    "nonce": "0x128c0927c40240b8b1987b94d33d189c3e2733285666c8ded50e168163e40dd3",
    "signature": "0xc7fa71b136380f40979f46b377f62a7e986c304823723a7f7c79f23047c04a111e24cff847fc73ab739cfc4133cbbcf343e01017b6d3fe4e262158551f6aaf0b1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}