Assign a label to a token

{
  "id": 123,
  "blockchain_id": 123,
  "address": "<string>",
  "name": "<string>",
  "symbol": "<string>",
  "decimals": 123,
  "price_usd": 123,
  "price_change_24h": 123,
  "tvl": 123,
  "holders_count": 123,
  "image": "<string>",
  "external_id": "<string>",
  "trust_score": 123,
  "last_updated_at": "2023-11-07T05:31:56Z",
  "stacking_pool_id": 123,
  "stacking_pool": {
    "id": 123,
    "address": "<string>",
    "name": "<string>",
    "url": "<string>",
    "description": "<string>",
    "minimum_deposit_ton": 123,
    "apy": 123,
    "exchange_rate": 123,
    "cycle_end": 123
  },
  "labels": [
    {
      "id": 123,
      "token_id": 123,
      "label_id": 123,
      "expires_at": 123
    }
  ]
}