{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19732f943c44d837020244c76f8541c550a46588516fd1c82b7e94c7f14cbb3e",
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    "signer": "0x0a95EdD91733Ecc1E6C85a09Fca234381f0E89CC",
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  }
}