Transaction not yet indexed

iS1Tn3R2mCR5MPJioi1uGVT5EsxeHW3aKLx2MryMkDMV1Zk2C2TqgMQb2PbSfVLymAqs5P4rW9ZkfdcATVZ344R

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