Transaction not yet indexed

421ApUfeFA8f4pRtzmGkz8b41vCyJxfRgAbufZc3WrzjkboyxTSjF3veAtabPiRvSm9hXhdBCTKFVkMrE4kLomFq

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