{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ff61f90b6549675761e69cee1b54a04b4a1a3992c06aafa3b4f925d3a69a08f",
    "signature": "0x4beb722b36a1fce9875dcda98b052de44d010b4f049055bfc9bd0e37bf92382d1bd9455cdfbd3b615b98bd9fd156065386dd28f480d0361caf8dd9a66b97a0da1c",
    "signer": "0x9E7FDEEcc2f0Db11e56CD39d424690bc6CD308B6",
    "userId": "223270106"
  }
}