{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898425,-0.439128,0.000000,0.000000,0.283605,-0.580237,0.763474,0.000000,-0.334321,0.683997,0.648365,0.000000,-2135351.656008,4368781.164504,4113468.071123,1],    "boundingVolume": {    "region": [2.025358,0.705323,2.025490,0.705546,0.000000,20.869209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831785.b3dm"}}}