Transaction not yet indexed

21Nn7n1srkdWV4QdGUMVsjwngLCZfEjWHneoXZAVjgU9c5xfgL8AhZySpru5seTSWrFQqkeGYmHc8itDGH4DTHCZ

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