Is the time you want to use the current time? If so then you don't need to specify the time in the data at all, Influx will use the current time.
Here is the input I see listening to it via mqtt. It consist 24 price points for every hour:
I noticed also that through mqtt some additional tags and names are missing.
As i understand it is an array consisting 24 objects of array.
How to send this to influx?