Snapshot use the Gnosis "Delegate Registry" contract here: https://github.com/gnosis/delegate-registry The contract is deployed on this address: 0x469788fE6E9E9681C6ebF3bF78e7Fd26Fc015446 (Also available on Rinkeby and Kovan at the same address) Delegations are stored on this subgraph: https://thegraph.com/explorer/subgraph/snapshot-labs/snapshot
Type in which address you want to delegate to.
Type in the space key you want your delegation to take effect on. (If no space selected, effect will take place on all spaces)
Click confirm to save your delegation.
You need to call the method "setDelegate" with the space id as first argument (must be encoded with Keccak), and the address of the delegate as second argument.