{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "243458",
    "entityType": "User",
    "nonce": "0x44e19e27b1162bf17f47b15d100421d92c075cca06e935422a24a6120c3d9221",
    "signature": "0xb43f922b95911e3fbe0069d499b170fd5e81ad5b293598706f4c2b9cafdde682026755d458071f21741e26e1c118df96405543a4619f4d95dd36fef7d1d42a9b1c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}