{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897475,-0.441065,0.000000,0.000000,0.283259,-0.576373,0.766524,0.000000,-0.337148,0.686025,0.644749,0.000000,-2153372.612286,4381663.423258,4090461.976778,1],    "boundingVolume": {    "region": [2.027518,0.700660,2.027645,0.700729,0.000000,8.501203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/8_858862.b3dm"}}}