{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871417,-0.490544,0.000000,0.000000,0.211732,-0.376126,0.902053,0.000000,-0.441940,0.785075,0.433989,0.000000,-2820531.400882,5010476.226119,2751244.917252,1],    "boundingVolume": {    "region": [2.083454,0.448875,2.083566,0.448956,0.000000,61.783352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_220150.b3dm"}}}