Transaction not yet indexed

66u8y4SAfUHh6txhDdhLBGgu1hx5Epz469cm3B8E1gew3mc8KiV2vm8VFHfxt1LPwG9aWnCESeh3e6kP2z888vNm

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