{
  "manageEntity": {
    "action": "Save",
    "entityId": "552525871",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x663ded5e218924a1026721ed45ab76663dc560cc2582302cbb4c7af7fafac013",
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    "signer": "0x00679AE761C2F87aC8a554140d0533e86E36C62e",
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}