{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949068,-0.315073,0.000000,0.000000,0.176066,-0.530351,0.829294,0.000000,-0.260738,0.785399,0.561394,0.000000,-1664778.548278,5014677.444163,3560438.090724,1],    "boundingVolume": {    "region": [1.891261,0.596017,1.891398,0.596123,0.000000,14.088616]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_1463021.b3dm"}}}