/// Arbitrary metadata
#[must_use]
pub fn metadata() -> String {
    "{ \
        reward_address: \"0xe1ffff2912572257b59dca84c965e4638a09f1524af7a15787eb0d8a46\",  \
        stake_public_key: \"0xe7d6616840734686855ec80ee9658f5ead9e29e494ec6889a5d1988b50eb8d0f\", \
        voting_power: \"177689370111\",
        delegations: \"0xc21ddb4abb04bd5ce21091eef1676e44889d806e6e1a6a9a7dc25c0eba54cc33\" \
    }"
    .to_string()
}