Transaction not yet indexed

528FKmpepFZ2JdPwLpmKBYmsspYVpPAY7piBNNDdiUDTvrtRVfb2UDocFvKuuDVzxoZr1teSUJM9EpXjEwZYhCL1

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