{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948637,-0.316365,0.000000,0.000000,0.176453,-0.529102,0.830009,0.000000,-0.262036,0.785727,0.560331,0.000000,-1673057.804231,5016746.433712,3553681.699920,1],    "boundingVolume": {    "region": [1.892644,0.594674,1.892740,0.594897,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1216728.b3dm"}}}