Transaction not yet indexed

HyM18pbAF79mSJvQWRaVxgK3tNHC6kFvVLkBZ4JMF7Wqe7hWKrqwpDmWPSG2cKMP1xP1yrSbLejaS8wf7SA8HcD

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