FetchError: invalid json response body at https://hub.snapshot.org/graphql reason: Unexpected token < in JSON...

[sentry-io]

Sentry Issue: SNAPSHOT-WEBHOOK-7

FetchError: invalid json response body at https://hub.snapshot.org/graphql reason: Unexpected token < in JSON at position 0
  File "/workspace/node_modules/node-fetch/lib/index.js", line 272, in <anonymous>
    return Body.Promise.reject(new FetchError(`invalid json response body at ${_this2.url} reason: ${err.message}`, 'invalid-json'));
  File "node:internal/process/task_queues", line 95, in process.processTicksAndRejections

[wa0x6e]

This could be solved by using a keep-alive connection to the hub, and will require install of the @apollo/client package, instead of using snapshot.js to send graphql query to the hub.