{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "839739705",
    "entityType": "User",
    "nonce": "0xd3211eee08b69ec545209cdefdd030fbf6f252beb5140f117988ceb8c2843c2d",
    "signature": "0xa4ec2f8557e0a64d3194c372d60cd7771dc583e49652a3348222de3d35ae9f74380b3e27a6aef14c28bc46c1a5459ecb229dd23991920e3f63a0b41e3bcea7ce1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}