{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "859010",
    "entityType": "User",
    "nonce": "0x2fc87df7932daff6c641da07782093ef19a7e050be4ae1f935b696f4ec819e7f",
    "signature": "0x27534c084723fd3239d7bdb0ee8c92045f7797be98e3e2e7ccb7a31243b575eb345a9f6b2f2b615708c65bba344fa094fb6e2af0bd1f005fa81de6f7792d23a51c",
    "signer": "0x2f6C18419818aA0932B2906f3749322D1CFEd35E",
    "userId": "719970451"
  }
}