Transaction not yet indexed

MmcfHWtF6iaDcCSV3xz7vEtFm9C7vR7fZuH8b8a1CDxU5LwPgnRGPT5VKYevjnuEDXu5uHoc1wTfAArZ2nw6Zgr

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