{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x3e617c7bf9a9a27e287fe73e6c2e31a375e71c3542f5267e13f822d458b3caf5",
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    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}