Transaction not yet indexed

RfEKyKhb8h2mEVv6ydTdxvb3YKHSSZMP2LCf8GiabQVdmoEHwS5zZLctDofs2sRQLkW28yBGLUzPq6eYH8UHZZy

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