eosio

{
  "name": "regproducer2",
  "base": "",
  "fields": [
    {
      "name": "producer",
      "type": "name"
    },
    {
      "name": "producer_authority",
      "type": "block_signing_authority"
    },
    {
      "name": "url",
      "type": "string"
    },
    {
      "name": "location",
      "type": "uint16"
    }
  ]
}