{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x63524a5edeacf33f2577d7514d61a9f05b9e900b0a4965c20c82ef92ef4bf30a",
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}