{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950494,-0.310744,0.000000,0.000000,0.173425,-0.530466,0.829777,0.000000,-0.257307,0.787042,0.560677,0.000000,-1642866.234176,5025151.312136,3555876.891189,1],    "boundingVolume": {    "region": [1.886722,0.595144,1.886821,0.595261,0.000000,8.808242]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1450078.b3dm"}}}