{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312107,0.000000,0.000000,0.174043,-0.529783,0.830084,0.000000,-0.258532,0.786966,0.560220,0.000000,-1650685.630670,5024656.143638,3552973.728610,1],    "boundingVolume": {    "region": [1.888124,0.594586,1.888288,0.594717,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459002.b3dm"}}}