{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898682,-0.438601,0.000000,0.000000,0.283715,-0.581324,0.762606,0.000000,-0.333537,0.683409,0.649388,0.000000,-2130355.292563,4365045.076379,4119975.949142,1],    "boundingVolume": {    "region": [2.024787,0.706742,2.024888,0.706816,0.000000,14.172189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1819973.b3dm"}}}