Transaction not yet indexed

21tdBu1EGgwMdzFu2KxRrixoQPbvfLzYwbNtxRnLuqvFpDLqyJ1hJGoLRwM7hpTmdAqsSe9aYQcF9G7nqMPbxaXb

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