{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x78896d87d1aeb71b77c511e85d6a57b162c3ec69d92aee13667e619c02f4fcf2",
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}