{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x742dcf2a96411289a71daae7c2567ba0c701ce8bd55c0a1f18698a843fab691e",
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}