{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x97e4a4516a64e8e5685d5254c3164b68605f03a1963f32be55ca090ab3efafee",
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}