curl --request GET \
  --url https://api.prime.coinbase.com/v1/portfolios/{portfolio_id}/transactions/{transaction_id}

{
  "transaction": {
    "id": "BTC-USD",
    "wallet_id": "cde8dd34-b6cf-4c2c-82bc-5f86adacc868",
    "portfolio_id": "0a66a8c0-24ea-4f18-b14f-8c9cf7c1ba40",
    "type": "DEPOSIT",
    "status": "TRANSACTION_CREATED",
    "symbol": "BTC",
    "created_at": "2021-05-31T11:59:59.000Z",
    "completed_at": "2021-05-31T12:09:31.000Z",
    "amount": "100",
    "transfer_from": {
      "type": "PAYMENT_METHOD",
      "value": "0bf7bf1e-bafa-4d7e-9312-fa0bf3b63f27",
      "address": 6.6325114945411165e+47,
      "account_identifier": "387879289"
    },
    "transfer_to": {
      "type": "PAYMENT_METHOD",
      "value": "0bf7bf1e-bafa-4d7e-9312-fa0bf3b63f27",
      "address": 6.6325114945411165e+47,
      "account_identifier": "387879289"
    },
    "network_fees": "1.99",
    "fees": "4.53",
    "fee_symbol": "USD",
    "blockchain_ids": [
      7.004643996595406e+76
    ],
    "transaction_id": "A1B2C3D4",
    "destination_symbol": "USD",
    "estimated_network_fees": {
      "lower_bound": "1.99",
      "upper_bound": "2.99"
    },
    "network": "ethereum-mainnet",
    "estimated_asset_changes": [
      {
        "type": "BALANCE_TRANSFER",
        "symbol": "ETH",
        "amount": "100",
        "collection": {
          "name": "<string>"
        },
        "item": {
          "name": "<string>"
        }
      }
    ],
    "metadata": {
      "match_metadata": {
        "reference_id": "<string>",
        "settlement_date": "<string>"
      },
      "web3_transaction_metadata": {
        "label": "<string>",
        "confirmed_asset_changes": [
          {
            "type": "BALANCE_TRANSFER",
            "symbol": "ETH",
            "amount": "100",
            "collection": {
              "name": "<string>"
            },
            "item": {
              "name": "<string>"
            }
          }
        ]
      },
      "reward_metadata": {
        "subtype": "REWARD_SUBTYPE_UNKNOWN"
      }
    },
    "idempotency_key": "<string>",
    "onchain_details": {
      "signed_transaction": "01ac1872bb2967df00124a7fd15e470a10aab04852e19fc6f...",
      "risk_assessment": {
        "compliance_risk_detected": false,
        "security_risk_detected": false
      },
      "chain_id": "1",
      "nonce": "42",
      "replaced_transaction_id": "123e4567-e89b-12d3-a456-426614174000",
      "destination_address": 6.6325114945411165e+47,
      "skip_broadcast": false,
      "failure_reason": "insufficient_funds",
      "signing_status": "SIGNED"
    },
    "network_info": {
      "id": "<string>",
      "type": "<string>"
    }
  }
}