{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949752,-0.313004,0.000000,0.000000,0.174947,-0.530844,0.829216,0.000000,-0.259001,0.785891,0.561511,0.000000,-1653688.989049,5017816.128554,3561178.927255,1],    "boundingVolume": {    "region": [1.889074,0.596127,1.889227,0.596295,0.000000,8.251310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1348576.b3dm"}}}