Configure how integers in this request's JSON response will be decoded.
The options are:
"default": Integers will be decoded according to JSON.parse, meaning they will all be
Numbers and any values greater than Number.MAX_SAFE_INTEGER will lose precision.
"safe": All integers will be decoded as Numbers, but if any values are greater than
Number.MAX_SAFE_INTEGER an error will be thrown.
"mixed": Integers will be decoded as Numbers if they are less than or equal to
Number.MAX_SAFE_INTEGER, otherwise they will be decoded as BigInts.
"bigint": All integers will be decoded as BigInts.
returns all transactions for a PK [addr] in the [first, last] rounds range.