{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x206793cfacd516eca47c41b45a0ae2787e21d5777ab22d1994d8389aa0a030a4",
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}