{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb89fafebd9463a7cd1fad6c4297bfd3a3601da1b9be0dc24c35379a7f8044638",
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}