Transaction not yet indexed

668emLQma9aH43CvizBE1atYhMABUEzZFCHn2o7hWwJUiw3yJwVLMPBRcFVJz1sXguV2GLnKmhtX5XtxKygwQ6v2

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