{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857974,-0.513694,0.000000,0.000000,0.262840,-0.438997,0.859184,0.000000,-0.440578,0.735855,0.514206,0.000000,-2812555.415703,4697545.653395,3260609.909238,1],    "boundingVolume": {    "region": [2.110198,0.540019,2.110363,0.540145,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_351929.b3dm"}}}