{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897903,-0.440194,0.000000,0.000000,0.282587,-0.576417,0.766738,0.000000,-0.336577,0.686546,0.644493,0.000000,-2149724.152030,4384984.497646,4088832.837900,1],    "boundingVolume": {    "region": [2.026548,0.700325,2.026674,0.700394,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852299.b3dm"}}}