{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950057,-0.312077,0.000000,0.000000,0.174020,-0.529769,0.830098,0.000000,-0.258512,0.786987,0.560200,0.000000,-1650557.418381,5024789.912208,3552844.978589,1],    "boundingVolume": {    "region": [1.888093,0.594561,1.888257,0.594692,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458794.b3dm"}}}