{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xac5545c5fa18d35896b344d5b3790550f20bb8104f9b22a44ef85151a2134e84",
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    "signer": "0xa36C39330833d29c26C04fd08969308036DB93f7",
    "userId": "19285967"
  }
}