{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944005,-0.329930,0.000000,0.000000,0.184423,-0.527676,0.829184,0.000000,-0.272997,0.781106,0.561557,0.000000,-1743051.675240,4987266.246847,3561473.490699,1],    "boundingVolume": {    "region": [1.906978,0.596209,1.907074,0.596324,0.000000,8.802018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1300718.b3dm"}}}