{
  "manageEntity": {
    "action": "Create",
    "entityId": "112290012",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":112290012,\"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": "0xc0e362a3a89bf7e6de755225a71af70f5fd6179bd67bb34cbe65123acd5c5f9b",
    "signature": "0x3c9490f3ce6847f7d3094902d0cf7fcbcada1c42fc9392f410c2d44cbbc2ab203f9f0c549d7b84eed6b2ee52761b68994e170ee1adbab804189867e9496ddc841c",
    "signer": "0x9B2D4b4FdCEf78AE84eB6231636C391cE298970a",
    "userId": "664883546"
  }
}