{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858174,-0.513360,0.000000,0.000000,0.262649,-0.439065,0.859207,0.000000,-0.440304,0.736047,0.514166,0.000000,-2810804.621551,4698770.361344,3260356.684765,1],    "boundingVolume": {    "region": [2.109809,0.539973,2.109973,0.540098,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_130314.b3dm"}}}