{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "100638",
    "entityType": "User",
    "nonce": "0xbd35a7f374f46ec50d9c132f8956e2f1f7d53fe2a6c81dd5044fafa1aa3cc05e",
    "signature": "0xd7d0e4f6ca4d3c32f094ac8a77fb9654553e603145ea76782ea73065a31e4e32410e2d9c66d1639ebde6c6f6ce92fc127cfc01800145c32f26e0a9eb69c1a3351c",
    "signer": "0xc3e03c21664729d32A8E77189667f4cC5091E233",
    "userId": "498109"
  }
}