{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893945,-0.448177,0.000000,0.000000,0.288814,-0.576075,0.764672,0.000000,-0.341750,0.681663,0.646948,0.000000,-2182789.017431,4353845.920663,4104455.154122,1],    "boundingVolume": {    "region": [2.035439,0.703494,2.035604,0.703657,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870470.b3dm"}}}