Probe endpoint. POST a signed Nano state block to broadcast it.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xA437...5561 |
| Polygon | exact | $0.01 USDC | 0xA437...5561 |
| Arbitrum One | exact | $0.01 USDC | 0xA437...5561 |
| nano:mainnet | exact | 28760000000.000000 tokens | nano_3...z4ss |