{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "297878",
    "entityType": "User",
    "nonce": "0x9c34df12211f0c22c99b10942ad072d2f14a8703f21d546e609f0a3ec9efd930",
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    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}