{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896923,-0.442187,0.000000,0.000000,0.282364,-0.572741,0.769570,0.000000,-0.339359,0.688350,0.641100,0.000000,-2167463.010632,4396442.267408,4067252.471295,1],    "boundingVolume": {    "region": [2.028740,0.695875,2.028923,0.695988,0.000000,41.386122]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_448734.b3dm"}}}