{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950910,-0.309468,0.000000,0.000000,0.173073,-0.531807,0.828991,0.000000,-0.256005,0.786634,0.561844,0.000000,-1634563.752577,5022569.175959,3563293.421496,1],    "boundingVolume": {    "region": [1.885347,0.596528,1.885512,0.596697,0.000000,8.723724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386475.b3dm"}}}