Transaction not yet indexed

ME8M6JwPLRtU7ADiksQpgE6vRZjnvaNf8NBY37wgov1ZHXwVGuqphvpoC9Yu3FrfwofSY6oTcgpAnS6EST1KyLJ

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