Transaction not yet indexed

MTTRSExotnDfXpnDpXy3U6kBBdXHot9dDSZKkT6MTPK7dBQRSZvigKn32iojS2o42Vbea6EYkFt6Ci4iNu4bx3L

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