{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x59861114b36375e5e1ba1e2b799b52f33063f06297b7cddf7c8155ba7017a031",
    "signature": "0x9aebd44347db763b6d311837d903b1b5e0ccb14cea33f70751a9145093d49e0c360083bc796fe4522ed67b91519e53bea0267e7fc37f94d7cfb7ec2fd524b4941b",
    "signer": "0xA2a96aeb1cc4DA90EB01C12046d16159737f9AF1",
    "userId": "103076055"
  }
}