Transaction not yet indexed

521BfbQHRfj4rRVGAyybMMQaRTUCWQz6dd2MNteaa8dagxM3gM66SPE9eYd1TGmtPzPHGCRMu6ABNDNfahX9dxyx

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