{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1e1693741b815044c34927f11e5ad46bd73d5c36f76d1c8c0901c7e92ee241a1",
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}