Transaction not yet indexed

MTKE4AZPfeqrfPpqJy2FAyhUsAy8PukZqt5ukmjGF6NJbkn8KqWJuDayiVmo6cdxzp1phzH27UVkfvV6jRCNqB5

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