{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "15642",
    "entityType": "User",
    "nonce": "0xfbf73221830a7ea50d42763ad7bdd14f59580811f1c0f05a6293e7be570e984d",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}