Transaction not yet indexed

NPLPFuYLb8e497pQP8saNV8hhrPy6YTE49RHGCqQ2qz2CMYVEpuYjwAoAeouVUhGyQY6NQUcpYxUmSTGPHUdue8

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