{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897939,-0.440120,0.000000,0.000000,0.282496,-0.576352,0.766821,0.000000,-0.336557,0.686648,0.644394,0.000000,-2149596.497666,4385636.700829,4088204.642088,1],    "boundingVolume": {    "region": [2.026465,0.700196,2.026592,0.700265,0.000000,19.737503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883878.b3dm"}}}