Transaction not yet indexed

5988AEBexCKfb28T2hHfqegnPwpHo7YvBxLFKsP2b1ZN579rcGzpyfBCo5JRdPmunsToUjPiTJ8r8SZUBKuW7k1x

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