curl --request POST \
  --url https://api.ekiden.fi/api/v1/account/fund \
  --header 'Content-Type: application/json' \
  --data '
{
  "amounts": [
    1
  ],
  "metadatas": [
    "<string>"
  ],
  "receiver": "<string>",
  "request_id": "<string>"
}
'

{
  "txid": "<string>"
}