{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898097,-0.439797,0.000000,0.000000,0.284302,-0.580564,0.762966,0.000000,-0.334606,0.683290,0.648964,0.000000,-2137178.461644,4364272.583781,4117277.842902,1],    "boundingVolume": {    "region": [2.026103,0.706110,2.026235,0.706333,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821067.b3dm"}}}