{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898467,-0.439042,0.000000,0.000000,0.283840,-0.580857,0.762915,0.000000,-0.334009,0.683524,0.649024,0.000000,-2133365.589215,4365772.721621,4117662.233668,1],    "boundingVolume": {    "region": [2.025278,0.706263,2.025379,0.706338,0.000000,14.683727]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1817927.b3dm"}}}