{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0ab9be2bfbd0a3e3c7a45618bbe91170acae6e968d090422cced8d45fa92de21",
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}