{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858210,-0.513299,0.000000,0.000000,0.262567,-0.438999,0.859266,0.000000,-0.440282,0.736130,0.514067,0.000000,-2810666.980259,4699293.855512,3259725.047019,1],    "boundingVolume": {    "region": [2.109738,0.539857,2.109903,0.539982,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_327247.b3dm"}}}