{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe00e90e95e8f24587d78e080c5b668a27d7efe65e4ca83b76fe2751e4772374d",
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    "signer": "0xDBbcc5AfeD5759839765FefFD181F92247d57b5A",
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}