Transaction not yet indexed

21t6mfBZc6wk34DngfFbiFFMDhac8uuhymycpp93S52LtbfVc5FKAJ3PB6JzQqkvzMnZzAwdTjVZsfeXgT4h7EuM

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