{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897626,-0.440757,0.000000,0.000000,0.282993,-0.576331,0.766654,0.000000,-0.336970,0.686258,0.644594,0.000000,-2152237.454458,4383147.421822,4089476.020006,1],    "boundingVolume": {    "region": [2.027175,0.700457,2.027302,0.700526,0.000000,25.771910]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/5_856143.b3dm"}}}