{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898405,-0.439168,0.000000,0.000000,0.283966,-0.580909,0.762829,0.000000,-0.334067,0.683400,0.649126,0.000000,-2133737.503065,4364977.703890,4118307.969883,1],    "boundingVolume": {    "region": [2.025419,0.706397,2.025520,0.706472,0.000000,8.620368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1818171.b3dm"}}}