{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3490e54c14397d37204642991675c757fa05fafaa9a1c2b0c5a5cf7ba363d886",
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}