Transaction not yet indexed

2U21FsjApUnESKLP6RtJFrm2ZHBXAGSQsGV2aEbjrG91F2sBRGfhnanw3sYgPgSCfo3Avz9A4EBZKgE7mb998uWF

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