Transaction not yet indexed

668Xn9hHZTLnRiUrKvk67gML2L34DWAEEMfXZcXMxZ8BSzTYDtZnQp53L9i1gsFNPS5jdPEimgf62jpCfqPZmWKy

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