{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "257465",
    "entityType": "User",
    "nonce": "0x619b33972f29e3085ce3675cacce2aa4c54e5f011a0f5dd3ed6c477385872d4b",
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    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}