{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5f727f0bb36135c7a856629ef908912056e20e5c7c3d218d904984df3283904d",
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}