{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896542,-0.442958,0.000000,0.000000,0.283424,-0.573646,0.768506,0.000000,-0.339477,0.687098,0.642379,0.000000,-2168230.868254,4388473.266332,4075386.374865,1],    "boundingVolume": {    "region": [2.029608,0.697524,2.029776,0.697673,0.000000,43.897738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_502980.b3dm"}}}