{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897707,-0.440593,0.000000,0.000000,0.282916,-0.576441,0.766599,0.000000,-0.336820,0.686271,0.644659,0.000000,-2151279.847814,4383230.135812,4089888.428668,1],    "boundingVolume": {    "region": [2.026992,0.700542,2.027118,0.700611,0.000000,16.562030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_857808.b3dm"}}}