{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9f9a657a164dd7d4f4db0f32fa8b58bb18efae1550d9ac69ed5a618f07b21daf",
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}