{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897452,-0.441112,0.000000,0.000000,0.285792,-0.581450,0.761734,0.000000,-0.335061,0.681688,0.650413,0.000000,-2140094.738387,4354066.264469,4126496.467574,1],    "boundingVolume": {    "region": [2.027558,0.708014,2.027710,0.708241,0.000000,11.827744]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797334.b3dm"}}}