{
  "manageEntity": {
    "action": "Save",
    "entityId": "728084002",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbecc92678d01e9ca80ecca0d36e7a147c19b567f27e85f5e1d497a46fbd6d74f",
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    "signer": "0x019ff76C6e9072A7b7ee22fC684b4B989b8ea3b5",
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  }
}