Transaction not yet indexed

NvV51vC5oKoL1fvb7EvZoWbMr216mCq1n3mbh9Loh3Qvu38n6yiN6nWDgeL86GNdWkTqeAVekL5esUAnhhubrr1

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