{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898105,-0.439780,0.000000,0.000000,0.284264,-0.580514,0.763019,0.000000,-0.334617,0.683343,0.648902,0.000000,-2137244.857662,4364612.914532,4116885.243694,1],    "boundingVolume": {    "region": [2.026084,0.706029,2.026217,0.706252,0.000000,8.212599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820235.b3dm"}}}