{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb15c4b424b730f113df4b3e1ce20ab0849c0c32b9729a0aa07df73db5ca38a48",
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}