Transaction not yet indexed

53b6sjNgTUdPpwDmKqPbHss4x7dVKv8FJSfqDnVHmqmLtFvtPeMd5pwBzWXk9TzPn1MsHtqujPDmGkecdXwZbSum

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.