{
  "manageEntity": {
    "action": "Save",
    "entityId": "227220038",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa3951f578dcc12e3935289cd7ed06c13f1e493fb1321f63def3240a051b4a0c2",
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    "signer": "0x0a2f7f3310C6f274E8933D5922940Df593F2EAB7",
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  }
}