2017-12-09 18:13:51.036025
Hello world !
ERROR:yowsup.layers.axolotl.layer_receive:InvalidMessageException 'utf-8' codec can't decode byte 0x87 in position 1: invalid start byte
ERROR:yowsup.layers.axolotl.layer_receive:InvalidMessageException 'utf-8' codec can't decode byte 0x88 in position 1: invalid start byte
hi
2017-12-09 18:14:20.026614
Hi amnish sharma
2017-12-09 18:14:21.594760
ACK:
ID: 1512823459-1
Class: receipt
Type: read
To: *********@s.whatsapp.net

hi
2017-12-09 18:15:16.253094
Hi amnish sharma
2017-12-09 18:15:19.240685
ACK:
ID: 1512823516-3
Class: receipt
Type: read
To: 919*******@s.whatsapp.net

2017-12-09 18:15:47.983363
ACK:
ID: 1512823141-8
Class: receipt
Type: retry
To: 91*******-1505371538@g.us
Participant: 15105994725@s.whatsapp.net

2017-12-09 18:16:24.335715
ACK:
ID: 1512823141-8
Class: receipt
Type: read
To: 91*********-1505371538@g.us
Participant: 918725001750@s.whatsapp.net

ERROR:yowsup.layers.interface.interface:Stream Error type: ack
{'ack': None}