{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898015,-0.439964,0.000000,0.000000,0.281301,-0.574167,0.768897,0.000000,-0.337356,0.688580,0.641910,0.000000,-2154674.916359,4397928.183746,4072402.772662,1],    "boundingVolume": {    "region": [2.026309,0.696958,2.026402,0.697015,0.000000,48.759806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_751795.b3dm"}}}