{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943853,-0.330366,0.000000,0.000000,0.184371,-0.526748,0.829786,0.000000,-0.273558,0.781551,0.560664,0.000000,-1746626.056356,4990093.829697,3555795.345216,1],    "boundingVolume": {    "region": [1.907440,0.595130,1.907536,0.595245,0.000000,8.153088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/2_1276487.b3dm"}}}