curl --request POST \
  --url https://v1.orchestrator.rhinestone.dev/batch-withdrawals \
  --header 'Content-Type: application/json' \
  --data '{
  "account": "<string>",
  "chainId": 123,
  "transfers": [
    {
      "recipient": "<string>",
      "tokenAddress": "<string>",
      "amount": 123
    }
  ]
}'

{
  "allocatorData": "<string>",
  "batchTransferDetails": {
    "nonce": 123,
    "expires": 123,
    "transfers": [
      {
        "id": 123,
        "portions": [
          {
            "claimant": 123,
            "amount": 123
          }
        ]
      }
    ]
  }
}