{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949598,-0.313469,0.000000,0.000000,0.174947,-0.529971,0.829773,0.000000,-0.259562,0.786297,0.560682,0.000000,-1657269.137855,5020395.508651,3555910.847094,1],    "boundingVolume": {    "region": [1.889560,0.595076,1.889722,0.595342,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1369254.b3dm"}}}