{"app":"NearSwap","alg":"SLH-DSA-SHA2-128s","publicKey":"c1c1ff4bfd141f98b1b8ebc11068e3154c8c09085e7063e754191b42f8ba111c","fingerprint":"9de6f03100425c47","digest":"SHA3-256","canonicalization":"JSON with object keys sorted, no whitespace; the signature covers SHA3-256(canonical receipt)"}