{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8310e0d19aebe44149651a430271dfe549d685b2f5ab70e45260e04cce0f5dc3",
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}