{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948791,-0.315905,0.000000,0.000000,0.176250,-0.529352,0.829893,0.000000,-0.261617,0.785743,0.560504,0.000000,-1670386.302653,5016855.036955,3554777.554127,1],    "boundingVolume": {    "region": [1.892158,0.594882,1.892254,0.595106,0.000000,8.679202]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1075631.b3dm"}}}