Transaction not yet indexed

MKU6udHHsc1nSy7pBLqJ74zHmqaLhWHcPPE2nAPfGD4JVUG2hhgq7M3h1bwmosCYZkUsCf6YcCcp7fJ9QNWARxS

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