{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949434,-0.313966,0.000000,0.000000,0.175526,-0.530790,0.829127,0.000000,-0.259770,0.785543,0.561642,0.000000,-1658598.445449,5015601.988126,3562009.174670,1],    "boundingVolume": {    "region": [1.890115,0.596328,1.890213,0.596409,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409419.b3dm"}}}