Transaction not yet indexed

Me8R4Eipd3Nonz57YCUZTrFtziCWNUEqfNWP9VrysFoYedAdDfWR4Bic4caWxwqC2r7jyCvKYdh3m26LKF4zSy1

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