{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858193,-0.513327,0.000000,0.000000,0.262657,-0.439116,0.859179,0.000000,-0.440261,0.736040,0.514214,0.000000,-2810532.309869,4698721.516568,3260659.774599,1],    "boundingVolume": {    "region": [2.109771,0.540029,2.109935,0.540154,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129810.b3dm"}}}