{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898106,-0.439778,0.000000,0.000000,0.284266,-0.580522,0.763012,0.000000,-0.334612,0.683338,0.648910,0.000000,-2137215.754839,4364576.461556,4116938.638187,1],    "boundingVolume": {    "region": [2.026082,0.706040,2.026215,0.706263,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820295.b3dm"}}}