{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943532,-0.331281,0.000000,0.000000,0.185708,-0.528923,0.828102,0.000000,-0.273753,0.779686,0.563160,0.000000,-1747890.587035,4978231.168048,3571659.340688,1],    "boundingVolume": {    "region": [1.908384,0.598156,1.908529,0.598254,0.000000,8.404844]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1284616.b3dm"}}}