{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942852,-0.333211,0.000000,0.000000,0.186738,-0.528391,0.828210,0.000000,-0.275385,0.779226,0.563001,0.000000,-1758308.228059,4975292.967832,3570646.763966,1],    "boundingVolume": {    "region": [1.910442,0.597981,1.910566,0.598043,0.000000,8.569482]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/21_1250118.b3dm"}}}