curl --request POST \
  --url https://api.sandbox.iron.xyz/api/addresses/crypto/hosted \
  --header 'Content-Type: application/json; charset=utf-8' \
  --header 'IDEMPOTENCY-KEY: <idempotency-key>' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "blockchain": "Solana",
  "customer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "vasp_did": "<string>",
  "wallet_address": "<string>"
}
'

{
  "address_type": "SelfHosted",
  "blockchain": "Solana",
  "created_at": "2024-01-15T10:30:00.000Z",
  "disabled": false,
  "id": "7c9e6679-7425-40de-944b-e07fc1f90ae7",
  "proof_message": "I hereby verify that I own this wallet address",
  "proof_signature": "5J9qvKhKqYbpjhCkqDnKXSp7QqLDBU5iT4VWshsqRdWKHjKdqZqKqYbpjhCkqDnKXSp...",
  "vasp_did": null,
  "wallet_address": "7QqLDBU5iT4VWshsqRdWKHjKdqZqKqYbpjhCkqDnKXSp"
}