{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x4c92beed68b72a44ab5850ce105f7c570825cbdb2283a91db7e1223e365d8b2d",
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    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}