{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949902,-0.312547,0.000000,0.000000,0.174679,-0.530890,0.829242,0.000000,-0.258631,0.786041,0.561471,0.000000,-1651328.146639,5018774.849681,3560925.141909,1],    "boundingVolume": {    "region": [1.888583,0.596060,1.888755,0.596265,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435263.b3dm"}}}