Transaction not yet indexed

5h21SjWfQrFWoPihNrrawUJr9XjAHP7KFhvCMxtVBi9S6R4wttcn3LbVLSfd2USpU2JmvcUdN6hn9uugNXpbaY12

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