{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897914,-0.440171,0.000000,0.000000,0.281387,-0.574008,0.768984,0.000000,-0.337553,0.688581,0.641805,0.000000,-2155931.810252,4397934.506525,4071735.182390,1],    "boundingVolume": {    "region": [2.026539,0.696822,2.026632,0.696878,0.000000,39.902750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/2_750739.b3dm"}}}