{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x163bce047ae7572e58aefbe8b41c9dbf3daa938f4e28ab5a1fc8be15fc773c4f",
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}