{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9058d48596f023cd7e1dd3c208bd16a023867c9008b94f8a3266919b865e7b03",
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}