NSFW. Filter out OP_RETURN spam, such as this on-chain nonsense spam mp4. Bitcoin Core dev retards.
Discussion
TXID="976e0766ebe0528d44595170f83f46ab1304c0a3b809f16454ee9be0e816e3a3" BLOCKHASH="0000000000000000000111fb88a8c401214fc214177760c59761f324d76567b1"
RAW_OP_RETURN=$(bitcoin-cli getrawtransaction "$TXID" true "$BLOCKHASH" | jq -r '.vout[] | select(.scriptPubKey.asm | startswith("OP_RETURN")) | .scriptPubKey.asm') DATA_HEX=${RAW_OP_RETURN:10}
echo "$DATA_HEX" | xxd -r -p > op_return.mp4