{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdd274c1e90833b5deb4ea41ee4807bc8e166710be57b89bc7d25149b8c6a9942",
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}