{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312108,0.000000,0.000000,0.174045,-0.529787,0.830081,0.000000,-0.258532,0.786962,0.560225,0.000000,-1650687.178567,5024634.048358,3553004.052300,1],    "boundingVolume": {    "region": [1.888126,0.594591,1.888290,0.594723,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459064.b3dm"}}}