{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949177,-0.314743,0.000000,0.000000,0.175806,-0.530182,0.829457,0.000000,-0.260517,0.785646,0.561152,0.000000,-1663365.840260,5016245.572425,3558899.429094,1],    "boundingVolume": {    "region": [1.890914,0.595724,1.891051,0.595831,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363910.b3dm"}}}