{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb0fa09a51dc02bff5f8adfc75751d5c41486d2f33ed29d0a0c98b9a87c1f736b",
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}