How to parse data by getBlockByHeight

I want to query all transactions highly corresponding to a block to recharge my wallet, when I get it through this api https://bombay-lcd.terra.dev/blocks/8450218 .
this result data.txs is a string list.
The following is one of them. It seems to be encoded in what way

CpEBCo4BChwvY29zbW9zLmJhbmsudjFiZXRhMS5Nc2dTZW5kEm4KLHRlcnJhMXRnN21zOXpreHFlZXVnc2UwcmNjYzNxZHk0aGdrOWF2dDZ1ZWV5Eix0ZXJyYTF0NWcwODRtaDU3M3A1NHp5M2h1dmV3ZWpqazdjZGh0d2N1dG51NBoQCgV1bHVuYRIHNDk0MjQwORJnClAKRgofL2Nvc21vcy5jcnlwdG8uc2VjcDI1NmsxLlB1YktleRIjCiEC/ejRv9i1tn6wybOT1tEhYRkguD7EyacJPLCpxSyeu5ASBAoCCAEYBhITCg0KBXVsdW5hEgQxMjUwEMbiBBpA5F3e57X6FwXhv3M+LazA5oXOHiy7/szawo27W+UShuVfYsX3iXdDMkp/uXcK3tCJb5WrIPj1knGuzZ2eJjzC5Q==

How can I parse these data?

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