{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893953,-0.448160,0.000000,0.000000,0.288804,-0.576082,0.764671,0.000000,-0.341737,0.681669,0.646949,0.000000,-2182704.100382,4353880.757067,4104463.304767,1],    "boundingVolume": {    "region": [2.035420,0.703496,2.035585,0.703658,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870396.b3dm"}}}