Create a new SDIRA investment

curl --request POST \
  --url https://sandbox.featherhq.com/sdira/investments \
  --header 'Content-Type: application/json' \
  --data '{
  "account_id": "<string>",
  "asset_id": "<string>",
  "currency": "<string>",
  "direction": "BUY",
  "payment_info": {
    "account_number": "<string>",
    "bank_account_type": "<string>",
    "bank_name": "<string>",
    "routing_number": "<string>"
  },
  "quantity": "<string>"
}'

{
  "account_id": "abc-123",
  "asset_id": "MSFT",
  "currency": "USD",
  "direction": "BUY",
  "investment_id": "abcd-1234-efgh-5678",
  "quantity": 100,
  "status": "RECEIVED"
}