{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782825894",
    "entityType": "User",
    "nonce": "0x850d18f4db6be64d620ec35cbbf5777a31fd05e65116fd8f03e89dfc2f9cf181",
    "signature": "0xccd814b7d70c63f60ef7ba509c23042aaeb3c9bd65f640e2addee7eb2d1e3af211dc9b89acc41477a5e96d59bac5b3be90ecb3c4f69bb470a4b0939d55df4c2a1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}