{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950589,-0.310453,0.000000,0.000000,0.173646,-0.531692,0.828945,0.000000,-0.256806,0.786324,0.561912,0.000000,-1639677.916327,5020593.136254,3563725.568838,1],    "boundingVolume": {    "region": [1.886428,0.596648,1.886505,0.596742,0.000000,11.035601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7.b3dm"}}}