Transaction not yet indexed

21a7FsnAMUgSwJd3bw5zdk5WJKJC4gTLEHFmzKuLEo7KmM74foU8CbUqPS8xwCtvYb9vyCVnpUZiju123mfcKXzZ

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