Transaction not yet indexed

278HWRfSeKmKHHmZPLcZFgSp5hVG5i7XURCF1ZFrK2kNk8zJXqMUZMLjtmr8jHLCK7tivT1f3H6fCUTfV6ejzJMt

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