Transaction not yet indexed

5CMMtBBTDE7VK89EQwvykFpNXzvK46M5bPKAyV6kH6cqiYu6SeYA21Wzuif1dMNHxVjvQ6eg4fQuBz1v7j4CMAjA

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