curl --request POST \
  --url https://b2b-api.dev-riseworks.io/v2/payments/external_entity/instant \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from": "<string>",
  "amount_cents": 5000000050,
  "payment_data": {
    "role_description": "<string>",
    "invoice_description": "<string>",
    "rise_sow": true,
    "services_description": "",
    "payment_details": "",
    "sow_link": "<string>",
    "reason_id": 123
  },
  "external_recipient_email": "<string>",
  "currency_symbol": "USD",
  "network": "arbitrum"
}
'

{
  "success": true,
  "data": {
    "domain": {
      "name": "<string>",
      "version": "<string>",
      "chainId": 123,
      "verifyingContract": "<string>"
    },
    "types": {
      "CreatePaymentForwardRequest": [
        {
          "name": "<string>",
          "type": "<string>"
        }
      ],
      "RisePayment": [
        {
          "name": "<string>",
          "type": "<string>"
        }
      ]
    },
    "typed_data": {
      "from": "<string>",
      "to": "<string>",
      "salt": "<string>",
      "expires": "<string>",
      "data": {
        "id": "<string>",
        "groupID": "<string>",
        "payAtTime": "<string>",
        "validMinutes": "<string>",
        "payType": "<string>",
        "token": "<string>",
        "recipient": "<string>",
        "amount": "<string>",
        "data": "<string>"
      }
    },
    "primary_type": "<string>"
  }
}