errors on parsing (assert in DEBUG mode)

[skribtsov]

virtual json::reader::push_result json::reader::push(char): Assertion `this->length() - start_length == 1' failed.

my json is pretty simple

{ "kinesis": { "kinesisSchemaVersion": "1.0", "partitionKey": "filename_XXX_YYY_ZZZ_1214", "sequenceNumber": "49639895790609468939184586116865187124815123996104196162", "data": "MTVHCS9ob21lL0FubgoxNUcJdG90YWwK", "approximateArrivalTimestamp": 1681668596.11 }, "eventSource": "aws:kinesis", "eventVersion": "1.0", "eventID": "shardId-000000000004:49639895790609468939184586116865187124815123996104196162", "eventName": "aws:kinesis:record", "invokeIdentityArn": "arn:aws:iam::780743977125:role/lambda-cpp-demo", "awsRegion": "us-east-1", "eventSourceARN": "arn:aws:kinesis:us-east-1:780743977125:stream/pawlin-datastream1" }