Prop 32: Register wmantraUSD ERC20 Denom Pair (Expedited)

Creation of wmantraUSD ERC20 token (contract: 0x5EB619e3dcA586c321Bb83282D2916577B5c383d) as a canonical ERC20/COSMOS denom pair on MANTRA Mainnet for use across MANTRA Ecosystem and additional provider<->consumer chain integrations.