{
  "manageEntity": {
    "action": "Save",
    "entityId": "390903353",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1e5fc0f27228ace03c47cff1622ec657338e6ab8c7d9c2802850fba52cf6bbcf",
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}