{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950242,-0.311512,0.000000,0.000000,0.173911,-0.530503,0.829651,0.000000,-0.257903,0.786713,0.560864,0.000000,-1646675.232869,5023056.727517,3557066.264828,1],    "boundingVolume": {    "region": [1.887530,0.595370,1.887630,0.595487,0.000000,8.818623]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1454916.b3dm"}}}