{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950193,-0.311661,0.000000,0.000000,0.174238,-0.531218,0.829125,0.000000,-0.257861,0.786169,0.561645,0.000000,-1646413.243867,5019597.607917,3562033.629521,1],    "boundingVolume": {    "region": [1.887668,0.596269,1.887806,0.596478,0.000000,8.750392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1397523.b3dm"}}}