{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949006,-0.315258,0.000000,0.000000,0.175881,-0.529446,0.829912,0.000000,-0.261087,0.785939,0.560476,0.000000,-1667002.380717,5018104.716000,3554603.324028,1],    "boundingVolume": {    "region": [1.891477,0.594866,1.891572,0.595056,0.000000,8.694603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/28_1075894.b3dm"}}}