{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948844,-0.315744,0.000000,0.000000,0.176384,-0.530054,0.829416,0.000000,-0.261332,0.785332,0.561213,0.000000,-1668572.924357,5014241.341938,3559283.696794,1],    "boundingVolume": {    "region": [1.891968,0.595797,1.892106,0.595904,0.000000,8.775112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/8_1147430.b3dm"}}}