{
  "manageEntity": {
    "action": "Create",
    "entityId": "785235111",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":785235111,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x5563fa0432c7d3ce1283acaeb0932145090eee06464e6949c945377d99005844",
    "signature": "0x8a5c288953c93125ada5fc834c6caefbe32f070a4e4298155e0de54a0d59b231036b1fe8a7b9d063a49faf9e53848ea14316b5fdbc2eb8b5ab30d2fcd7aa32a41c",
    "signer": "0x6B231EC2026efB1974A26e345776a40EA749145D",
    "userId": "990968091"
  }
}