{
  "manageEntity": {
    "action": "Unfollow",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x9a9e46c3a5423f6946fff374b87fa2d07a16548b601cdbf5ff9ebda01c3e843d",
    "signature": "0x09ca6b9f131aef1d2827fbc43a67d3e4615007eb4ff24858ed26e799393e1b7d09cfa7e6b01020c171150f798dbc09491fc8a17ff39bb8c38c226e08408ef4581b",
    "signer": "0x7F9DE0DcBE9D407b8D2F66935a8ce84F440D48e4",
    "userId": "174567284"
  }
}