MsgSend extends StdMsg and represents the message that should be
used when sending tokens from one user to another one.
It requires to specify the address from which to send the tokens,
the one that should receive the tokens and the amount of tokens
Represents a wallet which contains the hex private key, the hex public key
and the hex address.
In order to create one properly, the Wallet.derive method should always
The associated networkInfo will be used when computing the bech32Address
associated with the wallet.