{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd11d9ef623d151bf909b3b1316ee4a42893d6a58641b59d0958fef9e72020399",
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}