{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897928,-0.440142,0.000000,0.000000,0.281383,-0.574047,0.768956,0.000000,-0.337518,0.688567,0.641838,0.000000,-2155713.124408,4397845.307562,4071945.886344,1],    "boundingVolume": {    "region": [2.026506,0.696865,2.026599,0.696921,0.000000,38.126551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/3_750929.b3dm"}}}