{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x323f1e6b8f570a9ac04df56fd900b11043e348b997eb517baf97c07518009a82",
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  }
}