Fix FeeTooLow error in request-node

[MantisClone]

Example

[01:16:07] ERROR: persistTransaction error: Error: processing response error (body="{\"jsonrpc\":\"2.0\",\"error\":{\"code\":-32010,\"message\":\"FeeTooLow, EffectivePriorityFeePerGas too low 882298153 < 1000000000, BaseFee: 7\"},\"id\":664025}", error={"code":-32010}, requestBody="{\"method\":\"eth_sendRawTransaction\",\"params\":[\"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\"],\"id\":664025,\"jsonrpc\":\"2.0\"}", requestMethod="POST", url="https://holy-proud-morning.xdai.quiknode.pro/<omitted>/", code=SERVER_ERROR, version=web/5.5.0) 

[MantisClone]

This error has not been seen since #1078 was deployed to production.