{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949881,-0.312611,0.000000,0.000000,0.174712,-0.530870,0.829248,0.000000,-0.258687,0.786029,0.561462,0.000000,-1651682.851102,5018697.341401,3560870.244152,1],    "boundingVolume": {    "region": [1.888652,0.596049,1.888823,0.596255,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434949.b3dm"}}}