{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50737590",
    "entityType": "User",
    "nonce": "0xcf7846ef5c03ec175b64d6ee9b3cc7c75bda456262b2f521e118f41d59ccdd64",
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    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}