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    block: TxDescriptor<{ id: number; who: MultiAddress }>

    Disallow further unprivileged transfers of an asset id to and from an account who.

    Origin must be Signed and the sender should be the Freezer of the asset id.

    • id: The identifier of the account's asset.
    • who: The account to be unblocked.

    Emits Blocked.

    Weight: O(1)