Transaction not yet indexed

21Uu7pHePgezv8XbP1DhsHgb4e1PoyawQFT2MhyLsB6bzV3ddyLrGLwJaEkcXjRHba2QHk2P8iDbNHg6r9XCmSHE

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