{
  "manageEntity": {
    "action": "Save",
    "entityId": "999745960",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x835e292a9d9f06f9e212a4293c02aabe22f3efc3214a09d237fab3704cdf9ad8",
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}