{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894814,-0.446439,0.000000,0.000000,0.284492,-0.570218,0.770659,0.000000,-0.343112,0.687711,0.639788,0.000000,-2191418.078071,4392335.856379,4058900.481267,1],    "boundingVolume": {    "region": [2.033512,0.694160,2.033645,0.694284,0.000000,42.256117]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_982861.b3dm"}}}