{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950050,-0.312098,0.000000,0.000000,0.174372,-0.530802,0.829363,0.000000,-0.258298,0.786279,0.561292,0.000000,-1649197.064698,5020289.253675,3559785.533846,1],    "boundingVolume": {    "region": [1.888111,0.595843,1.888282,0.596048,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1430036.b3dm"}}}