{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x46f50354b06e83f601d1bb874b118460030d8889229e2c7f450f3dde7826d602",
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    "signer": "0xE35EAfef9E4150aD7946990A1201Df9419F544D8",
    "userId": "142005772"
  }
}