{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "249889",
    "entityType": "User",
    "nonce": "0x918be766b0c1dc07a76dfec6d8fa165926e659587c26249d25594b537034ba03",
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    "signer": "0x1912FC6B7317125d52bbb01C67381C923FA92aCe",
    "userId": "763473"
  }
}