Transaction not yet indexed

21tMbcF2XpLhzJNGY47ZpdeEVMtk7uSWMXEujMZCgRxUf21xunNu8vnZ4daPKkrF2gRBHT6Ex7aAGh5MiTNiAnov

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