{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893982,-0.448103,0.000000,0.000000,0.288765,-0.576097,0.764674,0.000000,-0.341695,0.681693,0.646946,0.000000,-2182435.084636,4354037.040506,4104440.724053,1],    "boundingVolume": {    "region": [2.035356,0.703491,2.035521,0.703654,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991759.b3dm"}}}