{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948940,-0.315457,0.000000,0.000000,0.176345,-0.530470,0.829159,0.000000,-0.261013,0.785164,0.561595,0.000000,-1666539.121145,5013180.655667,3561713.455052,1],    "boundingVolume": {    "region": [1.891666,0.596259,1.891804,0.596366,0.000000,8.808381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1151076.b3dm"}}}