DocumentUpdated (index_topic_1bytes32 name, string uri, bytes32 documentHash)
[topic 0]:0xb4c22d60cd550a815744f04e3ff5278bf19684565ee00e2b084041b6024bd6f6
[topic 1]:0x6f776e6572736869705f64656564000000000000000000000000000000000000
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