{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858248,-0.513236,0.000000,0.000000,0.262500,-0.438960,0.859306,0.000000,-0.440249,0.736197,0.514000,0.000000,-2810452.567647,4699720.684072,3259297.415274,1],    "boundingVolume": {    "region": [2.109665,0.539779,2.109829,0.539904,0.000000,12.437633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_314641.b3dm"}}}