{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897930,-0.440138,0.000000,0.000000,0.282504,-0.576339,0.766828,0.000000,-0.336574,0.686647,0.644386,0.000000,-2149702.908655,4385631.081775,4088155.051097,1],    "boundingVolume": {    "region": [2.026485,0.700186,2.026612,0.700255,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883802.b3dm"}}}