{
  "manageEntity": {
    "action": "Create",
    "entityId": "1969901085",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1969901085,\"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": "0x6977cfea18c3f99ed10c9acac6b05a6fc5b04fe609a8ca71a57d569af9382334",
    "signature": "0x9be10ec230d11c48636bc06f56d98b727a88fe401a6279b8aeffb89dff5238493f194bcdf384a60f784d4c68b6c1cfef1c61fe5fd72c55bf3b77a1a4802dc1951c",
    "signer": "0x0830a9051cF7DE5F111bfabf9634B8376FCDBb59",
    "userId": "589044776"
  }
}