Unable to load JSON data for AssessMsgFee

[nullpointer0x00]

Summary of Bug

The /provenance.msgfees.v1.MsgAssessCustomMsgFeeRequest tx does not load json on transaction details page. Produces error: Unable to load JSON data

Explorer page: https://explorer.test.provenance.io/tx/2A9B60D6FCE96A6F3ED04E4E44C4441DF3241CA8599D291D477F929C1B4C81C4/13335826

Json:
https://api.test.provenance.io/cosmos/tx/v1beta1/txs/2A9B60D6FCE96A6F3ED04E4E44C4441DF3241CA8599D291D477F929C1B4C81C4

Version

Steps to Reproduce

Execute a /provenance.msgfees.v1.MsgAssessCustomMsgFeeRequest.

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