{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943988,-0.329980,0.000000,0.000000,0.184202,-0.526954,0.829692,0.000000,-0.273207,0.781574,0.560803,0.000000,-1744387.106784,4990241.307130,3556681.373687,1],    "boundingVolume": {    "region": [1.907031,0.595298,1.907127,0.595413,0.000000,8.676681]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1275786.b3dm"}}}