{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6b9a19241fdb15d0c539e87c273e767b0b691464375f45f5ab92b0f2db3b862a",
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}