Submit transaction

curl --request POST \
  --url https://beta.rocketfi.io/transaction \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": {
    "instruction": {
      "Mint": {
        "amount": "<string>",
        "asset_id": 1,
        "to": "<string>"
      }
    },
    "nonce": 1,
    "sender": "<string>"
  },
  "serializationFormat": "JSON",
  "signature": "<string>",
  "signatureScheme": "EIP191"
}
'

{
  "PlaceOrder": {
    "results": []
  }
}