{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x83c65ca83fde3227dc0b81d4b01df3af54c5940acae028644c58d972492db33d",
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}