curl --request GET \
  --url https://api.onchainden.com/api/v1/policies/proposals/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "resourceType": "members",
    "action": "create",
    "signatureStatus": "pendingInitiatorSignature",
    "executionStatus": null,
    "threshold": 123,
    "approvals": [
      {
        "id": "mem_123",
        "name": "Alice",
        "type": "user",
        "walletAddress": "0xabc...",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z"
      }
    ],
    "rejections": [
      {
        "id": "mem_123",
        "name": "Alice",
        "type": "user",
        "walletAddress": "0xabc...",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z"
      }
    ],
    "createdAt": "2023-11-07T05:31:56Z",
    "expiresAt": "2023-11-07T05:31:56Z",
    "data": {
      "items": [
        {
          "name": "<string>",
          "walletAddress": "<string>"
        }
      ]
    },
    "signingPayloads": {
      "approvePayload": "<string>",
      "rejectPayload": "<string>",
      "initiatorPayload": "<string>"
    },
    "result": {
      "resolution": "approved",
      "resources": [
        {
          "type": "<string>",
          "id": "<string>",
          "uri": "<string>"
        }
      ]
    }
  }
}