storeList = async (fetchedList, blockedList, timeoutMap, blockedByMap) => {
                if (fetchedList) {
                  for (let j = 0; j < fetchedList.length; ++j) {
                    const blockedChannel = fetchedList[j];
                    if (j > 0 && i % LOOP_CHUNK_SIZE === 0) {
                      await yieldThread();
                    }
                    if (blockedChannel.blocked_channel_name) {
                      const channelUri = buildURI({
                        channelName: blockedChannel.blocked_channel_name,
                        channelClaimId: blockedChannel.blocked_channel_id,
                      });

                      if (!blockedList.find((blockedChannel) => isURIEqual(blockedChannel.channelUri, channelUri))) {
                        blockedList.push({ channelUri, blockedAt: blockedChannel.blocked_at });

                        if (blockedChannel.banned_for) {
                          timeoutMap[channelUri] = {
                            blockedAt: blockedChannel.blocked_at,
                            bannedFor: blockedChannel.banned_for,
                            banRemaining: blockedChannel.ban_remaining,
                          };
                        }
                      }

                      if (blockedByMap !== undefined) {
                        const blockedByChannelUri = buildURI({
                          channelName: blockedChannel.blocked_by_channel_name,
                          channelClaimId: blockedChannel.blocked_by_channel_id,
                        });

                        if (blockedByMap[channelUri]) {
                          if (!blockedByMap[channelUri].includes(blockedByChannelUri)) {
                            blockedByMap[channelUri].push(blockedByChannelUri);
                          }
                        } else {
                          blockedByMap[channelUri] = [blockedByChannelUri];
                        }
                      }
                    }
                  }
                }
              }
Unblocks the commenter using the given channel that has been granted
moderation rights by the creator.

@param commenterUri
@param creatorUri
@param blockerId
@returns {function(Dispatch): *}