{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897589,-0.440834,0.000000,0.000000,0.283180,-0.576587,0.766392,0.000000,-0.336913,0.685993,0.644906,0.000000,-2151872.406730,4381462.567315,4091459.769030,1],    "boundingVolume": {    "region": [2.027260,0.700865,2.027387,0.700934,0.000000,8.358762]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_860728.b3dm"}}}