{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "306850",
    "entityType": "User",
    "nonce": "0xd4ee9cb0febc1dc1699b4aa1e26e2e9a751eee29794677f7fe0f5b1794517480",
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    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}