Transaction not yet indexed

21Ldnkt7STTfnRVMqpXEBGJFDegTTkseTRjjtU78KLf3xXRvKKS7q2PmA8vKt8r8ZKLXoRHuWRTcE5FCVJNAgaiR

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