Transaction not yet indexed

KTb6UuH3L49Auom1xqD1YCQqH5RbSTGRjJHadTKyMtB2Cvv3stdYk9fCqDKXTgtTwNnLUjPvpBkk9ddbAAcdpD8

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