Transaction not yet indexed

21kEZhbfrH1vWvsNryK5pRr96xPeUTZ1Vw5kZPYNyRVjWfeERRdgi1ksUcR2Mxu3ntbxJP4U7cPWXHZp8PCSxAk1

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