{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "139309",
    "entityType": "User",
    "nonce": "0x37e877b649c5d1de7e13473dafa0298bf33f15e4cfa36f26e4604d7d63b25155",
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    "signer": "0x7A549D70816B0554b548A07441Be55Dece68d9c6",
    "userId": "480675405"
  }
}