Transaction not yet indexed

667EmvycD7qgaQ6fRuDs7wRAZBqWNQhxqBTf51F5Zg7Mx5mHTczD1mPHBoWRA9anfkRnyFP1Mbu3w4WF5dKMeHC1

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