{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948743,-0.316050,0.000000,0.000000,0.176380,-0.529471,0.829790,0.000000,-0.261704,0.785604,0.560658,0.000000,-1670943.876601,5015971.239590,3555755.970116,1],    "boundingVolume": {    "region": [1.892311,0.595068,1.892407,0.595291,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1179287.b3dm"}}}