Transaction not yet indexed

NgMc6eWXvuUv5ZmuuhYDW5D1vbArFtbMCzMLWdX1sHk4FRxQvRDw6RFB7MaFZxbdnuDRQDnJdnGktKpehVgoBv1

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