{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312618,0.000000,0.000000,0.115304,-0.350347,0.929496,0.000000,-0.290310,0.882097,0.370978,0.000000,-1852490.745549,5628730.779712,2351390.336456,1],    "boundingVolume": {    "region": [1.888675,0.379971,1.888813,0.380152,0.000000,6.520142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/10_73869.b3dm"}}}