{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898165,-0.439659,0.000000,0.000000,0.283884,-0.579938,0.763598,0.000000,-0.334780,0.683911,0.648219,0.000000,-2138282.366197,4368226.697869,4112540.648341,1],    "boundingVolume": {    "region": [2.025949,0.705132,2.026081,0.705355,0.000000,28.277042]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1844753.b3dm"}}}