{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa9eb4d271b5fab7293ae854e998afea75facb5f14aed0b6cb524219e56cc21c6",
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}