{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f588c6438fc8aa0da5e41653124f151b91d874d9f1bd4fedf84a5498748a8fc",
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}