Transaction not yet indexed

Ykk5AnXZV8dWkHPk8npXXmDECcebGTa6qmbtRk9AtVzeukoG81rf1aMsNyj6bWey45yECv9CWRn7isUU4kLvfEg

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