{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949558,-0.313592,0.000000,0.000000,0.174961,-0.529784,0.829890,0.000000,-0.259701,0.786375,0.560508,0.000000,-1658151.169340,5020892.199914,3554805.647515,1],    "boundingVolume": {    "region": [1.889689,0.594866,1.889851,0.595132,0.000000,8.553826]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1371709.b3dm"}}}