Transaction not yet indexed

528JFBmEDNKy7HSGDSRkVvu36WdWAPASr5K4MNCDy91z5FQaoid4cCPRaZ6xdd3FJ1VvdSdgs8X2yogHc8tco5um

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