{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948734,-0.316076,0.000000,0.000000,0.176460,-0.529662,0.829650,0.000000,-0.261682,0.785464,0.560865,0.000000,-1670803.641325,5015077.858750,3557072.893233,1],    "boundingVolume": {    "region": [1.892339,0.595319,1.892435,0.595542,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180992.b3dm"}}}