{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9e2ea9b25e2c24a15fe11c61336a7d68543dd3746ffd0671016f300db7d0ff2b",
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}