Transaction not yet indexed

Tb6C57gWjPDdG7KXaz9SQukQGEQHkQaFrkUbYAeyimYiwzLq6txCD5j8o5cotSoq2tqgjdvgkNhdTSC2a5DbW3m

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