{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898087,-0.439818,0.000000,0.000000,0.284301,-0.580528,0.762994,0.000000,-0.334635,0.683307,0.648931,0.000000,-2137360.111076,4364381.107505,4117069.909714,1],    "boundingVolume": {    "region": [2.026127,0.706067,2.026259,0.706290,0.000000,9.340035]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1820587.b3dm"}}}