Transaction not yet indexed

NkHAMHc9v41MBkeKcmbNBTXYpmJyTMLWaQRvgdwbGdnTsW9GtXNginoxEXKfNmfC1CAEmSRBjVBFFVY8dFAeKq2

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