Transaction not yet indexed

667MZb6fykoWxUbLSWuBctgAPumVPDVHNytnFheb4Lm85v5L2Co5VdmdC9SFPJsxCcoeHhGcnSYtZL2zzPZVHx17

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