{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943847,-0.330383,0.000000,0.000000,0.184566,-0.527272,0.829409,0.000000,-0.273446,0.781188,0.561223,0.000000,-1745920.368722,4987788.207416,3559351.051247,1],    "boundingVolume": {    "region": [1.907458,0.595806,1.907554,0.595921,0.000000,8.679392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1271796.b3dm"}}}