{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897668,-0.440673,0.000000,0.000000,0.285467,-0.581507,0.761812,0.000000,-0.334761,0.681922,0.650321,0.000000,-2138183.263272,4355561.493599,4125913.288524,1],    "boundingVolume": {    "region": [2.027069,0.707893,2.027220,0.708121,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796482.b3dm"}}}