nonce must be writable

Active on mainnet-beta (epoch 317), testnet (epoch 277) and devnet (epoch 297).

Introduced in solana-labs/solana PR #21260.

Feature id BiCU7M5w8ZCMykVSyhZ7Q3m2SWoR2qrEQ86ERcDX77ME.

Vortex

• Consensus leaderboard
• Fees leaderboard
• Validators
• Stake pools
• Decentralization
• Client versions
• Cluster status
• Governance
• Feature gates
• SIMDs
• Activity
• API and AI usage