红包 - 发送

curl --request POST \
  --url https://api.chainstream.io/v2/redpacket/{chain}/send \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "signedTx": "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAEDRg..."
}
'

{
  "signature": "5UfDuX7hXbL3mFfPdq1pymNHM..."
}