{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950281,-0.311394,0.000000,0.000000,0.173766,-0.530281,0.829824,0.000000,-0.257860,0.786911,0.560607,0.000000,-1646397.951549,5024312.325009,3555431.958090,1],    "boundingVolume": {    "region": [1.887406,0.595060,1.887506,0.595177,0.000000,8.746571]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1453362.b3dm"}}}