Transaction not yet indexed

5b1AFtQyu7vAxbXiAZnv79ABVpVVZqQCpqLTQQaEn6A95xGYQS2hhUew3jkUYKzNezz8pPGgXSP2FbVUgTH3RuNJ

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