{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe2f32f164bc4c6c2f9a0ade8f62f526888e6aea94d705313c767fbfa8cbc5eb1",
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}