Transaction not yet indexed

668QPC5ChbdYVmDXH9RZuk9gDV8H19egyKng6idtmVHjsbQG21DAUAcV4ie9rQKBBMK4yAnk3NfW5riWBrTyU5w2

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