Transaction not yet indexed

668k7fhf8QJF6cmoiqMMeiQXGFEpvPcirYsN5kCwCBZAt1SMMTUSRbfjhzeLC6VkA1Wu1cXo7uVMdiTRVkhAqbR4

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