{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898505,-0.438962,0.000000,0.000000,0.283697,-0.580694,0.763093,0.000000,-0.334027,0.683714,0.648815,0.000000,-2133476.689968,4366981.635901,4116331.487719,1],    "boundingVolume": {    "region": [2.025157,0.705966,2.025322,0.706086,0.000000,10.716053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1835308.b3dm"}}}