{
  "manageEntity": {
    "action": "Save",
    "entityId": "1428668534",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeef40eebb9cfec4787d31ff05fdef5799601c1feeae28d6aeea91ad2f180d82e",
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}