{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220441",
    "entityType": "User",
    "nonce": "0xbd89bb5694209d76ecf2bdfd95e9d4e7b8b08fa506291be7542ce7a3a687b48a",
    "signature": "0xfad4b1654add7b81ed3f8477aa928512c3e87de3b279b17f2587422049deea536469e251b711d77999ea6a86f847e5c9ab2f09aa5f7ab158773b48a0e0cbbba21c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}