Transaction not yet indexed

Bb5u6rwp2sppMBaj2ipYUi6vHwMSRKb6BQNtHefdphV7LNjsmZyQaT3X4UU51sNvF1y2frB3mH3v8dvrU9CXjx4

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