{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897815,-0.440373,0.000000,0.000000,0.282803,-0.576568,0.766545,0.000000,-0.336628,0.686304,0.644723,0.000000,-2150055.486970,4383445.304587,4090298.864780,1],    "boundingVolume": {    "region": [2.026747,0.700627,2.026874,0.700695,0.000000,25.761293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_858553.b3dm"}}}