https://github.com/filecoin-project/boost/issues/993

• UUID
• schema version (currently = v1)
• Timestamp of initiation
• Initiator
  • PeerID
  • MultiAddr
• Provider
  • PeerID
  • MultiAddr
  • Protocol
• Requested Content
  • CID
  • Scope (Enum: 0=block, 1=subdag, 2=full sector, 3=other)
• Response
  • Success
    • Time to first byte
    • Throughput
    • Size (bytes)
  • Failure: provider denied request
  • Failure: unclear
  • [Timestamp]