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

{
  "data": {
    "id": "tx_123",
    "accountId": "acc_123",
    "policy": {
      "id": "pol_123",
      "threshold": 2
    },
    "type": "TOKEN_TRANSFER",
    "signatureData": {
      "status": "<string>",
      "initiatorPayload": "<string>"
    },
    "executionStatus": null,
    "approvals": [
      {
        "id": "mem_123",
        "name": "Alice",
        "type": "user",
        "walletAddress": "<string>"
      }
    ],
    "rejections": [
      {
        "id": "mem_123",
        "name": "Alice",
        "type": "user",
        "walletAddress": "<string>"
      }
    ],
    "createdAt": "2023-11-07T05:31:56Z",
    "expiresAt": "2026-01-25T00:00:00Z",
    "data": {
      "destination": "0xdef...",
      "asset": {
        "id": "usdc_1",
        "symbol": "USDC",
        "decimals": 6,
        "name": "USD Coin",
        "logoUrl": "https://assets.onchainden.com/tokens/usdc.png",
        "tokenAddress": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
      },
      "rawAmount": "1000000000",
      "displayAmount": "1000.00",
      "networkId": 1
    }
  }
}