{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852872,-0.522120,0.000000,0.000000,0.269426,-0.440102,0.856574,0.000000,-0.446431,0.729237,0.518569,0.000000,-2849964.249094,4655362.594974,3288321.744754,1],    "boundingVolume": {    "region": [2.120084,0.545134,2.120177,0.545218,0.000000,77.563033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_7973.b3dm"}}}