Transaction not yet indexed

5B521NvvKo2YM8owv2w7ujzgGFfYLruuci7xaZccRWu1ScVGY5nYGT4k3P6Ac25DvJ1kq6GKxzvxCeVxBbztyR3d

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