{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898350,-0.439280,0.000000,0.000000,0.284122,-0.581045,0.762667,0.000000,-0.334081,0.683212,0.649316,0.000000,-2133825.966097,4363785.065392,4119517.703417,1],    "boundingVolume": {    "region": [2.025543,0.706647,2.025644,0.706722,0.000000,17.223610]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1819710.b3dm"}}}