{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897717,-0.440572,0.000000,0.000000,0.282903,-0.576447,0.766599,0.000000,-0.336805,0.686279,0.644658,0.000000,-2151180.517713,4383280.769929,4089886.422485,1],    "boundingVolume": {    "region": [2.026969,0.700542,2.027096,0.700611,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_857792.b3dm"}}}