{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x40b4a10d12d0217deef955d8b6ad21f074a3eac99fecb988793161908959bbbd",
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    "signer": "0x6C41A524931Dc318D12E67d926beF3012fd8C4f1",
    "userId": "479295724"
  }
}