{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897874,-0.440253,0.000000,0.000000,0.285165,-0.581579,0.761871,0.000000,-0.334469,0.682131,0.650252,0.000000,-2136312.848933,4356897.953589,4125474.047435,1],    "boundingVolume": {    "region": [2.026601,0.707802,2.026753,0.708030,0.000000,15.795172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/1_1793958.b3dm"}}}