{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x03de383b2ceebc5add163e1259ab724cd7e568b9071ef8e22ff13f1d10f9e3dc",
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}