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    promote: TxDescriptor<{ to_rank: number; who: SS58String }>

    Increment the rank of a ranked and tracked account.

    • origin: An origin which satisfies PromoteOrigin with a Success result of to_rank or more or root.
    • who: The account ID of the member to be promoted to to_rank.
    • to_rank: One more than the current rank of who.