{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2fc85d5490d482e860079d1df837fe84834e0ecf2544a64142cc99ef299c5eeb",
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  }
}