{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950981,-0.309249,0.000000,0.000000,0.116096,-0.357012,0.926857,0.000000,-0.286357,0.880585,0.377584,0.000000,-1827294.698703,5619173.478868,2393305.631552,1],    "boundingVolume": {    "region": [1.885118,0.387135,1.885281,0.387238,0.000000,5.649125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/19_59873.b3dm"}}}