Get all offers for a specific block trade.

Returns all offers submitted for a parent block trade by required signers.

Access: Available to initiator, required signers, or accounts with submitted offers.

Returns: Array of offers with:

• Offer ID and parent block trade reference
• Offering account and trade details per market
• Execution signatures and timestamps
• Current offer state and execution details

{
  "results": [
    {
      "block_expiration": 1640995800000,
      "block_id": "block_456",
      "created_at": 1640995200000,
      "initiator": "0x123...abc",
      "last_updated_at": 1640995400000,
      "nonce": "67890",
      "parent_block_id": "block_123"
    }
  ]
}