{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfc26169cda692c980e77d5d6d38f82a3ded5fb2fef72cee53304b54f760ae7bb",
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    "signer": "0xfe5Cc95369D94e7335bc62f82e743Cb7c261Ae62",
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  }
}