Transaction not yet indexed

MB3bA9SdfjmqrCxti3XzAmsKCS8GHCx4PrYopHUPvsbHDBrYYqFq96rEV9Mo8aPdVpR1JHeQygACDcWMMPR3jj6

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