Block details.
Epoch: 27 Number of transactions in block: 2 slot_no: 603715 epoch_slot_no: 20515 block_no: 603640 slot_leader_id: 3 size: 1383 time: 2018-02-10 15:43:11 proto_major: 0 proto_minor: 1 hash: \x7f6eba5a2f3c893eb0fa0760936bb4ac29e71edf64a85f3e8a133131466d17e1Block Operator
vrf_key: op_cert: op_cert_counter: