{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948466,-0.316878,0.000000,0.000000,0.115845,-0.346741,0.930779,0.000000,-0.294677,0.882016,0.367713,0.000000,-1880342.077439,5628168.272407,2330677.546133,1],    "boundingVolume": {    "region": [1.893184,0.376521,1.893280,0.376575,0.000000,55.959330]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_29929.b3dm"}}}