Transaction not yet indexed

iSssYmguqoENXPV4js8ct1tw91QyN9Hv4KTzR7vi3C89bVAyzQ2f95niJQEsV3AfBRAK3HQkeSkGhsNPqqHUEqZ

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