fn init(
env: soroban_sdk::Env,
name: soroban_sdk::String,
deadline: u64,
registry: soroban_sdk::Address,
)fn write(
env: soroban_sdk::Env,
name: soroban_sdk::Bytes,
lat_int: i32,
lat_frc: u64,
lng_int: i32,
lng_frc: u64,
)