{
  "service": "ntt-x402",
  "version": "0.1.0",
  "fields": ["Goldilocks"],
  "directions": ["Forward", "Inverse"],
  "max_degree_log2_free_tier": 12,
  "x402_endpoint": {"method": "POST", "path": "/ntt"},
  "settlement_chain": "solana-mainnet",
  "state_chain": "solana-devnet",
  "tiers": [
    {"max_log2": 8,  "micros_usdc": 1000},
    {"max_log2": 12, "micros_usdc": 10000},
    {"max_log2": 16, "micros_usdc": 100000},
    {"max_log2": 30, "micros_usdc": 1000000}
  ]
}