"serviceProvider" : "Bedrock"
From this link: https://docs.aws.amazon.com/bedrock/latest/userguide/model-ids.html use the id provided under the column Model ID
As an example: Use these for service provider AWS Bedrock and Model Claude-3-Sonnet
"serviceProvider": "Bedrock",
"modelId": "anthropic.claude-3-sonnet-20240229-v1:0"