Transaction not yet indexed

MtTKcVWQD8SVvRo8TGjhxZ1aMjXv3NfRSSs3uAm15yXjPmvprWkjhSj1bUsu8yuZCcC18mRPSUTfcRY9b9PKGdF

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