Transaction not yet indexed

NPbG4KHdDMVoWNwJtR9A1dXZshqa3CLv52DGV8aDUpZqbeZPeNc28JJPU6Ni2MdqWaVWUD3pCZaD5ts9BwrBvb2

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