{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949917,-0.312504,0.000000,0.000000,0.174210,-0.529544,0.830201,0.000000,-0.258897,0.786970,0.560046,0.000000,-1653018.377783,5024678.075152,3551865.464813,1],    "boundingVolume": {    "region": [1.888542,0.594375,1.888706,0.594506,0.000000,8.638984]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1378775.b3dm"}}}