Sign a Tron transaction

https://api.privy.io/v1/wallets/<wallet_id>/rpc

$ curl --request POST https://api.privy.io/v1/wallets/<wallet_id>/rpc \
-u "<your-privy-app-id>:<your-privy-app-secret>" \
-H "privy-app-id: <your-privy-app-id>" \
-H "privy-authorization-signature: <authorization-signature>" \
-H 'Content-Type: application/json' \
-d '{
  "method": "tron_signTransaction",
  "params": {
    "raw_data": {
      "contract": [
        {
          "type": "TransferContract",
          "owner_address": "41a614f803b6fd780986a42c78ec9c7f77e6ded13c",
          "to_address": "41e552f6487585c2b58bc2c9bb4492bc1f17132cd0",
          "amount": 1000000
        }
      ],
      "ref_block_bytes": "a2b4",
      "ref_block_hash": "1234567890abcdef",
      "expiration": 1735689600000,
      "timestamp": 1735689540000
    }
  }
}'

{
  "method": "tron_signTransaction",
  "data": {
    "signed_transaction": "0a02a2b42208...",
    "encoding": "hex"
  }
}