{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948948,-0.315432,0.000000,0.000000,0.176252,-0.530237,0.829328,0.000000,-0.261046,0.785333,0.561345,0.000000,-1666744.946512,5014250.181193,3560121.972009,1],    "boundingVolume": {    "region": [1.891639,0.595956,1.891777,0.596063,0.000000,8.733308]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1068780.b3dm"}}}