Transaction not yet indexed

21Sw2TtSMrabApVTRxHZJfEaNnrPnbZofGq4AfDZAhak3qqr9fW9Hc2SN6w2DyPHMSnXTEdJkECv7N4BhhPcr4TY

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