Transaction not yet indexed

21UPmK1oSZ8zvjcFVgtU2WDex4BY49eJ7eQ17KjAFdQYwPsfqCLzpPAf5P9P5ZM9FqY9vPqvGS8e3RfzKx9fTzNP

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