{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "303081",
    "entityType": "User",
    "nonce": "0x5f94a26a4bdb0baf69829d93787e9a9f71d031ba1a56e9cf7856e0b8121d8c44",
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    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}