curl --request POST \
--url https://api.privy.io/v1/wallets/{wallet_id}/rpc \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--header 'privy-app-id: <privy-app-id>' \
--data '{
"method": "signAndSendTransaction",
"caip2": "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1",
"sponsor": true,
"params": {
"transaction": "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAEDRpb0mdmKftapwzzqUtlcDnuWbw8vwlyiyuWyyieQFKESezu52HWNss0SAcb60ftz7DSpgTwUmfUSl1CYHJ91GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAScgJ7J0AXFr1azCEvB1Y5zpiF4eXR+yTW0UB7am+E/MBAgIAAQwCAAAAQEIPAAAAAAA=",
"encoding": "base64"
}
}
'