{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312122,0.000000,0.000000,0.174059,-0.529805,0.830066,0.000000,-0.258539,0.786945,0.560246,0.000000,-1650729.957676,5024523.758608,3553139.232993,1],    "boundingVolume": {    "region": [1.888140,0.594617,1.888304,0.594748,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459356.b3dm"}}}