{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897739,-0.440527,0.000000,0.000000,0.282881,-0.576476,0.766586,0.000000,-0.336764,0.686283,0.644675,0.000000,-2150922.453050,4383308.582153,4089991.632170,1],    "boundingVolume": {    "region": [2.026919,0.700563,2.027046,0.700632,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858149.b3dm"}}}