{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897902,-0.440196,0.000000,0.000000,0.282582,-0.576406,0.766749,0.000000,-0.336583,0.686554,0.644480,0.000000,-2149761.425577,4385038.920111,4088755.397536,1],    "boundingVolume": {    "region": [2.026549,0.700309,2.026676,0.700378,0.000000,17.014377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852119.b3dm"}}}