{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc5a7cc5faf30b8cc91ed4053459f217b7d89da16dde112d851f4b2d33d784753",
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    "signer": "0x49A94F109522643164ba425576101A35E1B98162",
    "userId": "67966100"
  }
}