{
  "manageEntity": {
    "action": "Create",
    "entityId": "1370439583",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1370439583,\"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": "0x6546242764b437619412fc21874c436b033dc5c0dc200e72330f5f5deb085d10",
    "signature": "0x7dcca1e9078b75146763997f51613f7a5223e6a1a809413793aad0ac402c58553600b16f2c9e557239c88f739c0ced5c0d7b829691aa4b24a7642cfe6615ebd91c",
    "signer": "0x705C3Be1F27A9694A390A0a58287440a6b43349E",
    "userId": "193978537"
  }
}