{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x14fda47bb9472b42e05c4b3026bd8ee5719ef8e1b82de4ee0635b47608a09827",
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    "signer": "0x30080BBc6495982996CfFd09093B94af98A1Ad76",
    "userId": "568501979"
  }
}