Get a policy by ID

curl --request GET \
  --url https://api.cdp.coinbase.com/platform/v2/policy-engine/policies/{policyId}

{
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "description": "Default policy",
  "scope": "project",
  "rules": [
    {
      "action": "accept",
      "operation": "signEvmTransaction",
      "criteria": [
        {
          "type": "ethValue",
          "ethValue": "1000000000000000000",
          "operator": "<="
        },
        {
          "type": "evmAddress",
          "addresses": [
            "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
            "0x1234567890123456789012345678901234567890"
          ],
          "operator": "in"
        }
      ]
    },
    {
      "action": "accept",
      "operation": "signSolTransaction",
      "criteria": [
        {
          "type": "solAddress",
          "addresses": [
            "HpabPRRCFbBKSuJr5PdkVvQc85FyxyTWkFM2obBRSvHT"
          ],
          "operator": "in"
        }
      ]
    }
  ],
  "createdAt": "2025-03-25T12:00:00Z",
  "updatedAt": "2025-03-26T12:00:00Z"
}