{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x5d806ba6aef448f88b58773a94f08d3bfeb4373ee0d8d4fc5b2390fcede6b6b5",
    "signature": "0x5ef993fce90fe1a1057e3dab181c0bc10740f5096745b4a99a9c5b458f56aa2247ee47c0333c16bf89346a885b8c433d7ea6a723e0f07da3eb0eb5aa8781e8dc1b",
    "signer": "0x41b85819b94cd5b7fECa7e7BF3613e0aEa1CD2B8",
    "userId": "190643626"
  }
}