{
  "manageEntity": {
    "action": "Save",
    "entityId": "220480147",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x710e5cd09648f3367c65ee7730a4f1d3d40df7f63e650dcbf3d1ee968acdde36",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
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  }
}