{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312617,0.000000,0.000000,0.174751,-0.530975,0.829173,0.000000,-0.258668,0.785955,0.561574,0.000000,-1651562.683353,5018229.578702,3561580.358851,1],    "boundingVolume": {    "region": [1.888658,0.596184,1.888829,0.596390,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1440721.b3dm"}}}