{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8097e29faa3eb7a90e3b23eb88a467fa3d3250f01bb63cb9fec8c7376d4e7f9e",
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  }
}