{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x68543d2ad6104a05e9851e39cfeb4a9cce26d0fb0a6319b493fdcf2eb902b641",
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}