{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897999,-0.439997,0.000000,0.000000,0.284416,-0.580471,0.762995,0.000000,-0.334770,0.683241,0.648930,0.000000,-2138227.699082,4363959.588576,4117066.256007,1],    "boundingVolume": {    "region": [2.026325,0.706066,2.026457,0.706289,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820574.b3dm"}}}