Transaction not yet indexed

MTLQSrQSDJfdJNFAvpbeh7PjdSvcjS6NFeSHyXrb8kPHchgM59vQUoo6wh5DfYaP9A1FrQ7Qe6APaVPUdvh9Nax

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