Transaction not yet indexed

28Z9ufngqd2Ba1UfbTEA6u7wr6gbxM2bHAJPFox48upUTmoMAXbQSwoZSZi8U2yr51QfC15JfMQQQk2Dk9o3aFRK

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