{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950210,-0.311610,0.000000,0.000000,0.174263,-0.531390,0.829010,0.000000,-0.257783,0.786073,0.561816,0.000000,-1645913.725042,5018986.271034,3563118.440519,1],    "boundingVolume": {    "region": [1.887607,0.596487,1.887759,0.596672,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329626.b3dm"}}}