{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858171,-0.513363,0.000000,0.000000,0.262949,-0.439563,0.858861,0.000000,-0.440128,0.735746,0.514748,0.000000,-2809686.540231,4696855.953575,3264051.846595,1],    "boundingVolume": {    "region": [2.109813,0.540651,2.109978,0.540776,0.000000,73.722900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_427180.b3dm"}}}