Value with 5 digits after the comma breaks things

[stiebitzhofer]

Bigchaindb returns

HTTP/1.1 400 BAD REQUEST
Server: nginx
Date: Thu, 28 Nov 2019 08:46:58 GMT
Content-Type: application/json
Content-Length: 208
Connection: close
Access-Control-Allow-Origin: *

{"message":"Invalid transaction (InvalidHash): The transaction's id '1bcfa24bffaa493332a8542b14fa5d9c1ed16df1bf2c2d7663e290183316cef2' isn't equal to the hash of its body, i.e. it's not valid.","status":400}

Please find test scripts and summary at https://github.com/stiebitzhofer/bigchaindb-driver-issue.