{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "804508659",
    "entityType": "User",
    "nonce": "0x6674311b82ef4b8785a6daa2dc7db980f727d976daf05a00cb1860c73cc69190",
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    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}