{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948979,-0.315340,0.000000,0.000000,0.175988,-0.529614,0.829781,0.000000,-0.261114,0.785792,0.560670,0.000000,-1667175.932153,5017167.889825,3555835.820675,1],    "boundingVolume": {    "region": [1.891564,0.595100,1.891659,0.595290,0.000000,8.774862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1073709.b3dm"}}}