{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "778646605",
    "entityType": "User",
    "nonce": "0xe2b3a867fe674b7656c213706553f5f2bbaf40d104565c5e4ce8fc0efc13982e",
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    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}