{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948859,-0.315701,0.000000,0.000000,0.176364,-0.530071,0.829410,0.000000,-0.261295,0.785337,0.561223,0.000000,-1668332.403706,5014275.615908,3559347.726749,1],    "boundingVolume": {    "region": [1.891923,0.595809,1.892060,0.595916,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147586.b3dm"}}}