{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x02a6a218bb1f6477f934e8dd7fbe943d2a928ff2acca4e97a5444506d8a4db53",
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}