{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5419ea7bee0534d048aeb3d31837a92d9a3efad77166b472eec0125d8ee1f017",
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}