{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcc066456ff8458b304ef7f9b3f8e38e65aac8f9a617348e1d11a476161b36ce6",
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}