{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898368,-0.439244,0.000000,0.000000,0.283692,-0.580224,0.763452,0.000000,-0.334400,0.683934,0.648391,0.000000,-2135856.059268,4368376.696318,4113634.625073,1],    "boundingVolume": {    "region": [2.025487,0.705358,2.025620,0.705580,0.000000,10.574259]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1831887.b3dm"}}}