{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897738,-0.440530,0.000000,0.000000,0.282868,-0.576445,0.766614,0.000000,-0.336778,0.686307,0.644641,0.000000,-2151012.161718,4383464.457898,4089778.824663,1],    "boundingVolume": {    "region": [2.026921,0.700520,2.027048,0.700589,0.000000,36.867357]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_857419.b3dm"}}}