{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943784,-0.330564,0.000000,0.000000,0.184185,-0.525863,0.830388,0.000000,-0.273922,0.782066,0.559767,0.000000,-1748945.105626,4993366.847995,3550094.519736,1],    "boundingVolume": {    "region": [1.907642,0.594014,1.907752,0.594195,0.000000,8.817907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1319379.b3dm"}}}