{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "219883",
    "entityType": "User",
    "nonce": "0x7dc744545ee0224e3bdf36f9c941b1be68028ee30cb2cb6ed43688cbd158c4c8",
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    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}