Transaction not yet indexed

278TKUUcbgf244DKpwvf2bGiHFeAUsWHBkWFKBGFk3hHdbdfDXEYTrovRgitVpwF45EVmNYHtPBFbxZWJE5rVnm7

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