%Aecore.Structures.Header{
    height: 2,
    prev_hash: <<103, 0, 21, 23, 117, ... >>,
    txs_hash: <<128, 17, 233, 246, 6, ... >>,
    chain_state_hash: <<215, 88, 234, ... >>,
    difficulty_target: 1,
    nonce: 96,
    timestamp: 1510744273766,
    version: 1
}