The fully qualified Move coin type to prefer for gas payment, such as
0x2::sui::SUI.
The serialized transaction block produced by Transaction.toJSON().
This is the SDK's serialized transaction string, not a parsed transaction
object.
The Sui address whose transaction the service prepares.
JSON body sent to the Aftermath dynamic-gas HTTP endpoint.
The endpoint receives a serialized transaction and the wallet and coin type that the service should use when preparing gas. These values are strings; the transaction and coin amounts are not represented as JavaScript numbers in this body.