{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944015,-0.329903,0.000000,0.000000,0.184413,-0.527698,0.829172,0.000000,-0.272970,0.781102,0.561575,0.000000,-1742880.174510,4987243.294696,3561588.784027,1],    "boundingVolume": {    "region": [1.906949,0.596231,1.907045,0.596346,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268569.b3dm"}}}