Transaction not yet indexed

278k8XcJD4cadnCq2DzP8UwH865X8PhVAQLmBGaN2XHU9ZuM2KUgYSP5QwvkF1bz6tToYxGsVHwPp8ZwhRCAbAm5

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