{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949820,-0.312797,0.000000,0.000000,0.174842,-0.530913,0.829193,0.000000,-0.258823,0.785925,0.561544,0.000000,-1652554.559061,5018039.013921,3561390.048025,1],    "boundingVolume": {    "region": [1.888847,0.596148,1.889019,0.596353,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1438843.b3dm"}}}