{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944008,-0.329924,0.000000,0.000000,0.184414,-0.527661,0.829196,0.000000,-0.272995,0.781119,0.561540,0.000000,-1743043.104244,4987348.308687,3561363.509753,1],    "boundingVolume": {    "region": [1.906972,0.596188,1.907067,0.596303,0.000000,8.802018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1300509.b3dm"}}}