Solana
accountNotification2クレジット
Message pushed by the node to an accountSubscribe subscriber when the account changes; not a callable method.
パラメータ
パラメータは不要です（params配列は空）。
戻り値
型
Object
params.result is { context: { slot }, value } where value is the account state ({ lamports, data, owner, executable, rentEpoch, space }); params.subscription is the subscription id.