{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0x54a5fa7df8bbee33f5209c91cbeb71cb7d6cb42b7a64ce956e1f5da87f4cce11",
    "signature": "0xa733a9e5e27d5c06aeb5e2d60ab7ca9e2f3b09e8b2157acb717df25ba6514bf91e5193105a9c1162074ef4f5d45accadb4cd2882d52f3c8083c53a283d3aeee01c",
    "signer": "0x2d35622e24c7C57CD807222465290813FaFc2D05",
    "userId": "173402"
  }
}