EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"collection_id":2,"token_ids":["2:196"],"old_owner_id":"116583d2024c4c7b5e5c7527ffa3ce38c2d6ee8a6b2336985a82d841bb0d5741","new_owner_id":"d448c6b5b4e2620b6d254a445fa9b7f66b6a68b3069bedd8a62a99475e1305a5"}]}