{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa456d9b55ad889b5f6b7cdfb4a1b8c3935eb6070fd2d101bb8fab1af00083284",
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}