{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x198beb54a14c552da4729285bc1d9a3e21fec6d175025891549dd4edb82536ea",
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  }
}