{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdd00fa6cf7a8f4110a97454eeaabb1cf64d10b56cb7fc07f906c2b4b9f65c17d",
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}