This happens on occasion when calling the transfer method of our HRC20 contract.
The SDK doesn't recover from it.
15|withdraw-handler | Error: FetchError: invalid json response body at https://api.s0.t.hmny.io/ reason: Unexpected token < in JSON at position 0
15|withdraw-handler | at Messenger.<anonymous> (/path/dev/crypto_royale/node_modules/@harmony-js/network/dist/messenger/messenger.js:82:35)
15|withdraw-handler | at step (/path/dev/crypto_royale/node_modules/tslib/tslib.js:143:27)
15|withdraw-handler | at Object.throw (/path/dev/crypto_royale/node_modules/tslib/tslib.js:124:57)
15|withdraw-handler | at rejected (/path/dev/crypto_royale/node_modules/tslib/tslib.js:115:69)
15|withdraw-handler | at runMicrotasks (<anonymous>)
15|withdraw-handler | at processTicksAndRejections (node:internal/process/task_queues:96:5)```