{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ccf7e43307109c4b65990aa18ab6389db530e25fb72c0b5fb5a95f1eb923b90",
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}