Transaction not yet indexed

ME7eQUS8D9nENYDkhZzyy6qGofER2ieUoP2aCDkfMZwPY5LaLkhZemhrZRhsSPwsFWYT2r6BrscpTF5ybS5YZi2

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