curl --request GET \
  --url https://grid.squads.xyz/api/grid/v1/accounts/{address}/proposals/{proposal_address} \
  --header 'Authorization: Bearer <token>' \
  --header 'x-grid-environment: <x-grid-environment>'

{
  "data": {
    "approved": [
      "<string>"
    ],
    "cancelled": [
      "<string>"
    ],
    "consensusAccount": "<string>",
    "consensusAccountType": "<string>",
    "proposalAddress": "<string>",
    "rejected": [
      "<string>"
    ],
    "status": "<string>",
    "statusTimestamp": 123,
    "blockTime": "2023-11-07T05:31:56Z",
    "lastModifiedSignature": "<string>",
    "mainAccountAddress": "<string>",
    "settingsAddress": "<string>",
    "transactionIndex": 123
  },
  "metadata": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}