Transaction not yet indexed

21LKpcXfJSEeKHmJhRTpHsL1G8x8d71X2ELKq1ndLvNPQKZXEdur53gRLohgiE2K3VPjyVXQnrYdkjDCGNjoDvuA

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