{
  "manageEntity": {
    "action": "Create",
    "entityId": "1146585034",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1146585034,\"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": "0x3ecbf0a16e31d5db1bf89d50dda6493c6a139b4286a980733c3a503242c9b843",
    "signature": "0x0d6d1f6aa89cac3899e4fece9ea432a90cf984ccfd1b5c8a227d85f7d8df74557c40feba119cfda4f55a0f604c981b67253c8cb0ce1dfa9f588d8a43fec10e551b",
    "signer": "0x9D8826fD99d7F16F2FE1cbE76Dd7890750ec730A",
    "userId": "151555504"
  }
}