curl --request POST \
  --url http://localhost:3001/v1/onchain-integrations \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "provider": "<string>",
  "networkFamily": "evm",
  "networkId": "<string>",
  "apiKey": "<string>",
  "pollingEnabled": true,
  "pushEnabled": false,
  "watchedAddresses": [],
  "integrationKey": "<string>",
  "startBlock": 4503599627370495
}
'

{
  "id": "<string>",
  "organizationId": "<string>",
  "provider": "<string>",
  "networkFamily": "<string>",
  "networkId": "<string>",
  "name": "<string>",
  "integrationKey": "<string>",
  "hasApiKey": true,
  "pollingEnabled": true,
  "pushEnabled": true,
  "watchedAddressCount": 123,
  "lastTransferSyncedAt": "2023-11-07T05:31:56Z",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "watchedAddresses": [
    "<string>"
  ],
  "startBlock": 123
}