Transaction not yet indexed

15uuB6mmQMAqUC9dpyoFfXQhcL5HdKdT3px5f2R67sNThZkKwQgsEALodwWYE2XSiwamnWU7WEJGsaD94mKiAm2

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