{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950229,-0.311554,0.000000,0.000000,0.174278,-0.531544,0.828908,0.000000,-0.257705,0.785991,0.561967,0.000000,-1645415.185068,5018464.085909,3564077.610681,1],    "boundingVolume": {    "region": [1.887548,0.596669,1.887700,0.596855,0.000000,8.746875]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1400145.b3dm"}}}