Transaction not yet indexed

639SS8TmDDoAHH2vdGnFYqcxDvRHVyzm1Ym7dN8xwonJUv5AGXsVmTqFcuGgLbKjmVKtpyQL1CCFdLCYfuffby46

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