{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950157,-0.311771,0.000000,0.000000,0.174217,-0.530946,0.829304,0.000000,-0.258009,0.786310,0.561380,0.000000,-1647355.233206,5020494.773241,3560344.692778,1],    "boundingVolume": {    "region": [1.887784,0.595948,1.887922,0.596156,0.000000,8.798324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431034.b3dm"}}}