Nonce too low

HTTP status: 422 Retryable: No

Description

The transaction nonce is lower than the current nonce of the sending
account on-chain. The network rejects transactions with a stale nonce.

Resolution

Fetch the current account nonce using eth_getTransactionCount (with
pending as the block parameter) and use that value when constructing
your transaction. Rebuild and re-sign the transaction with the correct
nonce before submitting.