{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcc1fdda045d35ec8e1a52be3e7c711a8958d6555a678b7df7e4e9d1676a991b7",
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}