Transaction not yet indexed

55k4cA2SHmX3P11Smo7AGe2spu8qY1eBnKwrfM36sdJbJhMYq1Rhjm5XGmcZ7eYbM2TLd5uXCdBquPQdHcowRB18

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