{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x70c70abf01514a3f6d663f7d40754418c3f27832ed0909a7b3ed2458b17db8e5",
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}