j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutLWhat you described is already possible with NBdomain ( onchain identity) and Open Payment Protocol ( currently supported by 3 wallets and more are coming)
text/plaintext twetch_twtext_1611325804698.txt|"1PuQa7K62MiKCtssSLKy1kh56WWU7MtUR5SET twdata_jsonnullurlnullcommentnullmb_user229reply@f634e0621d5c2f7d4e17b5edba605bd68cfdc3f15b2b0cc493ba42a9b0faf501typepost timestampnullapptwetchinvoice$da57fb89-1bab-4c12-b5bc-6131b916482c|"15PciHG22SNLQJXMoSUaWVi7WSqc7hCfva
BITCOIN_ECDSA"1LRJqST1LKsuPMuHpwEJxH75Rp2WmzKqtVLXH/N+qDmRWMN8YxFNIEGPR+YITDBQj05uWnRv9L14Fz34JJIZYh0uqpyxNQJ0qy67OnQ7srKrZih6tqEwPNlGBYs=
https://whatsonchain.com/tx/9603a6e94dbac4ded9be1c68e6d55238a2a8acfa8a45a30b287bada8a62d437a