patch
https://wallet.uk.eagleeye.com/2.0/wallet//join//donor
This API method allows the calling application to set up a donor relationship between two wallets, Wallet identified by the {walletId} will become a donor for a Wallet identified by {recipientWalletId}. Please note: relationship of type donor is a one-way-relationship (it will only show-up when examine a donor wallet)