Transaction not yet indexed

21nXMzuDgqPuYBo8gVD6EjW4Z4JS2gcHDjwnS7ZxC9fpc8TGAzoTfLWxeB4vHK2tBV4cyak7yjBfrbWHf5AXKHo8

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