{
  "manageEntity": {
    "action": "Create",
    "entityId": "780250271",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":780250271,\"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": "0x49045316154fe71b6b0c4f9bbce9a6cf49841c05c127e27431fcef47944c1581",
    "signature": "0x1def36f3dfcf3bd6a1839d8dcce7724ad22f404d5c2c82203db7dfd50ad03055210807273ab89dc80198eabd9336bcdad22b73ef322fdbe9497e5811bad3ec451c",
    "signer": "0xB3CCCdE1D0E83236E61b43A0C53a57b049c88445",
    "userId": "700560752"
  }
}