Transaction not yet indexed

mb6JVBY5kqAMxewTeXBSPV3etUXz4vthvYJzKdZztxQVqDwtZS3bZeMuMjtM3FJkj4f4FCGXvqzfKZnReXFkjj2

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