{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950299,-0.311338,0.000000,0.000000,0.173768,-0.530394,0.829751,0.000000,-0.257790,0.786856,0.560715,0.000000,-1645955.908472,5023964.736658,3556123.073084,1],    "boundingVolume": {    "region": [1.887347,0.595191,1.887447,0.595308,0.000000,8.748829]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1454302.b3dm"}}}