{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950121,-0.311880,0.000000,0.000000,0.115272,-0.351169,0.929189,0.000000,-0.289528,0.882028,0.371752,0.000000,-1847505.955290,5628301.181151,2356302.269102,1],    "boundingVolume": {    "region": [1.887904,0.380844,1.888031,0.380947,0.000000,11.439156]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_70785.b3dm"}}}