{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5f2092d288e67a20deceaaae8afaac8427d3438b5a1549c156321d2eff9d1b28",
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}