Transaction not yet indexed

MU9AtHDGc8FzimpijTW24v8eWHpGEqfGDbKV3f83qvD3ggh8BxebUw6jrePuugPTNYUWQAhPwWSUiu16uuYWdC7

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