Transaction not yet indexed

528MWsiq2fsVEUP7Hxb8JsqPWZNB5qXGgg76vJUe4h24hgbBnwKb1CXAyCmZe7jL4F4U9uWrGJDAnFj1minQKnEY

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