{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x155d0316095990abb22a4c3e619637a7b08914d69785221b6319792c63148e76",
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}