{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898508,-0.438956,0.000000,0.000000,0.283685,-0.580680,0.763108,0.000000,-0.334029,0.683731,0.648796,0.000000,-2133491.322758,4367086.066466,4116213.903512,1],    "boundingVolume": {    "region": [2.025150,0.705942,2.025316,0.706061,0.000000,7.786761]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1835069.b3dm"}}}