{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1873428",
    "entityType": "User",
    "nonce": "0x2c02bd050c408908c1da771ce8dbda7dc3685a32ba76bbd77a5ed58bde36df38",
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    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}