{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949850,-0.312705,0.000000,0.000000,0.174798,-0.530955,0.829176,0.000000,-0.258741,0.785934,0.561570,0.000000,-1652032.098801,5018092.918898,3561555.370285,1],    "boundingVolume": {    "region": [1.888750,0.596180,1.888922,0.596385,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1440509.b3dm"}}}