{"version":1,"algorithm":"bip340-schnorr","digest":"sha256","domain":"NexusPool/Custody/v1","preimage":[{"field":"domain","bytes":"utf8, no terminator"},{"field":"seq","bytes":"uint64 little-endian"},{"field":"type_len","bytes":"uint8"},{"field":"type","bytes":"utf8"},{"field":"payload_len","bytes":"uint16 little-endian"},{"field":"payload","bytes":"utf8, unescaped, printable ASCII only"}],"authorities":[{"chain":"btc","pubkey":"124797e8bc0ec89ed60b77c30e1770c624407f72659dc97aa4c4fd7d9377106c"},{"chain":"bch","pubkey":"39e0a44418a2f0d831fc9166ffd4f1373bb6f263d753ed6d08862da8ed4a1d46"},{"chain":"ltc","pubkey":"450a714033c4b01731820bca8c32f00f3eb72c56c14b3c8b43cb0a7d0f357387"}],"receipts":"/api/custody-receipts?addr={address}","verifier":"/glass-ledger"}