{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1c0879217d6a3ffce9a353a28b812b648f8aae2a131f9bc90ca5661bc43a2460",
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}