Memo transaction

Post memo 3. (optional) Connect your IPFS node to this cloud server: `ipfs swarm connect /ip4/142.93.95.66/tcp/4001/ipfs/QmbMn4uBqG3aFHomHBvBVwvwejQHcNzWt6xQky5PkJTXne`
Reply to memo 9fc96faa8b2dae7c6befee6777e8077d052a4c51686b6c618e419733b9091d1a