{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9173b0f43a43af489b1f52029271edd36dde4ad2bdddc1f7a03fea7e957c08e8",
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}