Transaction not yet indexed

MMwRscp69UE8VsgdQ5DeUaBa28CJhoUvwmHsNBqh3LP19wgj8uHXyjWhEfKwzDeJVufwRLCZXGBnfngkxBYpKb2

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