Transaction not yet indexed

5b521MHiNdKX5rPzcLniqc7nf6gU4Ju5FsqoFcGjXdjbnU9BEanuGxTGdkwpYDj5v7MNrePondZqs4bTeeYR4KQz

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