# SignedTransaction
## Properties
**transaction** | **String** | The serialized TopologyTransaction Required: must be non-empty |
**signatures** | Option<[**Vec<models::Signature>**](Signature.md)> | Additional signatures for this transaction specifically Use for transactions that require additional signatures beyond the namespace key signatures e.g: PartyToParticipant must be signed by all registered keys Optional: can be empty | [optional]
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