<4hex>_lnp1bechdata, or for known formats
<id>[_<4hex>_lnp]1bechdata(this is interoperable with Russel new invoices), for instance
inv1invoicedatacan be a universal invoice message.
pk1keydata- for public keys
pkx1keydata- for extended public keys
pkn1keydata- for node ids in LN (b/c of the unification, see below, this id will work with LN, RGB network & Bifrost) This can potentially replace multiple formats (WIFs, hex encoded keys, BASE64 encoded xpubs and serve the original goals for which Bech32 encoding was proposed.
ChainHash, Liquid CA, RGB, OMNI):
ChainHashto identify in which "network" they operate/accept channels