{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950427,-0.310947,0.000000,0.000000,0.173431,-0.530101,0.830009,0.000000,-0.257547,0.787209,0.560331,0.000000,-1644401.957522,5026212.077444,3553681.916700,1],    "boundingVolume": {    "region": [1.886894,0.594713,1.887077,0.594859,0.000000,8.487432]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1375440.b3dm"}}}