{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x38896061a4c7c56761f5ab34a22a5e5ee64ff2e206f74a7be30465f19be62020",
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}