Transaction not yet indexed

668M2rZeNhuV4ZdpTMWvM2RBjKpgXp85XMferoHARxk22r6W3WwdMcrDrybEFV5bSKdcvbMv5Q6bw8Exe6wZfCvF

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