Transaction not yet indexed

Me8JWBdAXxXeDfG6e6fC3HvJfVhSkNpyeXYFQAzXqnH3L7bJqB3T5fRUw12LoGPwh1g9L2UZyVWA2SEPTobuo1C

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