{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892486,-0.451076,0.000000,0.000000,0.290992,-0.575749,0.764092,0.000000,-0.343698,0.680030,0.647635,0.000000,-2195235.112133,4343428.444108,4108822.787355,1],    "boundingVolume": {    "region": [2.038715,0.704442,2.038819,0.704511,0.000000,45.457937]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1978698.b3dm"}}}