Transaction not yet indexed

NU6zbHMVZL6qFpnWAYxE1YbKwJ1NAEw2qTuXesjpzNeABzw5gfqHtzARw1Am3hyYzTRrVkAf2hC8pp5gLTtV5Qj

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