{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898120,-0.439750,0.000000,0.000000,0.284461,-0.580967,0.762601,0.000000,-0.334409,0.682977,0.649394,0.000000,-2135921.067059,4362285.492595,4120016.774493,1],    "boundingVolume": {    "region": [2.026106,0.706783,2.026127,0.706791,0.000000,8.487113]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/9.b3dm"}}}