Transaction not yet indexed

5b1tpXc6M3BF8JWg8FMNEph8CDFBfvaYRMQcR17tB7vL7gzDDoCPrhjSyh6f9kCSSPN5uAGNKBB75BJ5gov5Qk19

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