{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951036,-0.309079,0.000000,0.000000,0.172644,-0.531225,0.829454,0.000000,-0.255827,0.787182,0.561157,0.000000,-1633424.064835,5026054.272970,3558928.711384,1],    "boundingVolume": {    "region": [1.884948,0.595673,1.885093,0.595893,0.000000,8.711283]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1340198.b3dm"}}}