{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x88244b7d0b79c89fccd2e60a436cc0f59eff72e93437cdc353fdc09197971e55",
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}