{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950007,-0.312228,0.000000,0.000000,0.174110,-0.529760,0.830085,0.000000,-0.258632,0.786934,0.560219,0.000000,-1651326.735359,5024450.647722,3552966.475823,1],    "boundingVolume": {    "region": [1.888251,0.594584,1.888415,0.594715,0.000000,17.566301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460928.b3dm"}}}