{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8cbfa0829dc0ed9d400d5773cc560a979ee58dc3626d75a4e3e121cb50649c3a",
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}