Transaction not yet indexed

21a6WcqTULcbknx17s2as49TYEEyV5NpX7RSQBkVZknLpF4dCACR2vkMTeRW3jhbRfatdv4JkKNmLzYiEUtyAcqx

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