Derive signing payload from unsigned transaction

Create a signing payload.

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Supported Protocols & Networks

Protocol Network Path Parameter
Polkadot Mainnet polkadot-mainnet
Westend polkadot-westend
Assethub Mainnet polkadot-assethub-mainnet
Assethub Westend polkadot-assethub-westend
Path Params
string
required
Defaults to ethereum-mainnet

Either a hyphen seperated protocol-network pair like ethereum-mainnet or the chain-id

Body Params
Responses

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Response
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application/json