{
  "manageEntity": {
    "action": "Create",
    "entityId": "382912287",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":382912287,\"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": "0x4c87753f0fb59c4c82e5ca43ed66956c7a735c433d8c470749f899db6bf71639",
    "signature": "0x898edc816dfb474d848b323f5101552b7f5ba3f57010b9826d936cd54e4799d72f62a507114dde039eda95be7a02392e81505a8fc535b9293dadf9834e75ea131c",
    "signer": "0x8621f1bc2d21D4C5Dc82090Af12F8DA289cc1100",
    "userId": "15990581"
  }
}