{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0054c4f0893042da6e93a10c73c3a66a9c571cf21a78bf0c7530b21f1fc2df71",
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}