{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899068,-0.437809,0.000000,0.000000,0.282735,-0.580614,0.763510,0.000000,-0.333333,0.684520,0.648322,0.000000,-2129038.107256,4372117.672558,4113197.530533,1],    "boundingVolume": {    "region": [2.023873,0.705319,2.024039,0.705438,0.000000,45.063406]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1843748.b3dm"}}}