{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948743,-0.316050,0.000000,0.000000,0.176318,-0.529285,0.829921,0.000000,-0.261746,0.785730,0.560462,0.000000,-1671209.854138,5016771.252746,3554510.506016,1],    "boundingVolume": {    "region": [1.892311,0.594832,1.892407,0.595055,0.000000,8.707297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1178155.b3dm"}}}