{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfff39f72e8f70b0e57866f8bd097f33f5b202d2c493167e72df3158abd466855",
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}