{
  "manageEntity": {
    "action": "Create",
    "entityId": "427574250",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":427574250,\"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": "0x7dfd7f93ac484ebc937f030519e3988bc35013aca685d298976c247d0a21a9da",
    "signature": "0xeb9c1280fac9ec1089e234553c7f0b012ba9b5497d7c71011cd5f85fcb6df8c972f26260b758edd58305ed00a0fefa51eaa123e3a330fb88663d25011300b0fe1c",
    "signer": "0x857E85371c7c9853684bc531085b1Aedf8183A8d",
    "userId": "729406477"
  }
}