{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897442,-0.441133,0.000000,0.000000,0.285812,-0.581455,0.761723,0.000000,-0.335071,0.681670,0.650426,0.000000,-2140164.166457,4353951.230108,4126581.264373,1],    "boundingVolume": {    "region": [2.027581,0.708031,2.027733,0.708259,0.000000,12.034007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797538.b3dm"}}}