Transaction not yet indexed

55UMMRDS7s5djrFEEEHTbta7ihvhEJnZo5Z1G6XkEHefPYqKPdfPSh9KahSmrbFfTp3ApBKqcXxaM2iFgvk4NoC2

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