Transaction not yet indexed

C51Ykc8JEjGCfbq2r5XqPKU4s9hHos5y7Bog84VSe4xaoFu4pcZQffDPuWmBDVCkKwqJXaJ3wjp8YYLJPr2Hi5j

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