{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948858,-0.315703,0.000000,0.000000,0.176364,-0.530068,0.829411,0.000000,-0.261297,0.785338,0.561220,0.000000,-1668347.081198,5014283.462702,3559329.912840,1],    "boundingVolume": {    "region": [1.891925,0.595806,1.892063,0.595912,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147524.b3dm"}}}