{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "763473",
    "entityType": "User",
    "nonce": "0x0c961bbb29e64e96c4f909ab130ed7e8f1e81d6e9a1b82c4f1e74f21a1f816f1",
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    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}