{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858912,-0.512124,0.000000,0.000000,0.262000,-0.439414,0.859227,0.000000,-0.439254,0.736697,0.514133,0.000000,-2804104.219883,4702919.665806,3260145.192484,1],    "boundingVolume": {    "region": [2.108370,0.539934,2.108534,0.540059,0.000000,37.667233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/4_219528.b3dm"}}}