{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d9d6c736b8ae167958c5c87988471b4b3a45f579c9943072c58630a25fd91b1",
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}