Solana
accountNotification2 额度
Message pushed by the node to an accountSubscribe subscriber when the account changes; not a callable method.
参数
无需参数（params 数组为空）。
返回值
类型
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.