{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x533bcca98a1c28ad1e98324b052400950be4d2b681bdc209c20417faa6a181a1",
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}