{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d8478bf3b51833d7f5f649af6c19dc38366ab38a5a640eabe5ec9f4d5cd521d",
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}