Memo transaction

Post memo 4. Download the content (which also helps syndicate it) `ipfs get QmUmLnw5hp41zMpnCoMYH4SC2AJWpJW2KaJk5ENbzNUdpn`
Reply to memo 7a92dd8d4b9bae68d0ae0c699334101e10529ebd7e45437dd933263efe021712