{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "43971",
    "entityType": "User",
    "nonce": "0x3a839a69321c22f724ad5a2a2c3967f6ede59bd26e3cea4e394d62fd51b23db4",
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    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}