{
  "manageEntity": {
    "action": "Save",
    "entityId": "402820308",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x992a7eb40e49e03008b53a707841ca16d3b37b81be8999d50d03f913cc49f3d6",
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}