{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "176490",
    "entityType": "User",
    "nonce": "0x6b92d4dfc5a2a52dae5dd45625e8cd5d8aed2b788faeae12f9cefc6e9d50562c",
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    "signer": "0x0387130B850ded16cD99dd16ca2060EC33FAc85A",
    "userId": "340102"
  }
}