Transaction not yet indexed

RfkppJSrAF8iCnjZ68Uofnayt1i2tVuuR9c8g2EpgupXeDhM3h22MH8YNAwUAaMoS3YGUhz9A8Bt6aKqCdHemu5

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