{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "398179",
    "entityType": "User",
    "nonce": "0x0d4ff321ae57981257a418e5456635ba32a01a8bee94943ebb4c6478ff702ddf",
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    "signer": "0x1912FC6B7317125d52bbb01C67381C923FA92aCe",
    "userId": "763473"
  }
}