Transaction not yet indexed

666qqgkQLWniDcNvbjr93FQuL7ESWwqFP1FVoCvmEM9dHASNtJDpPLFSz4tCwm6WjAZAtK2dVYzupwk9zWzV6V6C

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