Transaction not yet indexed

621cPNmDQ4k4oA2WXeJkAkhGE2MxfFZPcMUEYKDKe8KBFboeFAfRvchs3pxgPKUHUuWgJR1jQbsATaDDCX1DekRB

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