failed to broadcast attestation: failed to submit beacon attestations

[nivBlox]

could not execute duty key: 989487a83c91b741af02ba56676663b722011d74cc8307ad83d32d3b09a5f359693330c24a88c953e1a5f129d3caea28 error: failed to reconstruct and broadcast signature: failed to broadcast attestation: failed to submit beacon attestations: POST failed with status 400: {"code":400,"message":"BAD_REQUEST: error processing attestations","failures":[{"index":0,"message":"Verification: InvalidSignature"}]}