{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858164,-0.513376,0.000000,0.000000,0.262572,-0.438919,0.859306,0.000000,-0.440368,0.736124,0.514001,0.000000,-2811216.976483,4699257.348336,3259306.196717,1],    "boundingVolume": {    "region": [2.109828,0.539780,2.109992,0.539905,0.000000,52.491300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_130300.b3dm"}}}