{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943113,-0.332473,0.000000,0.000000,0.186175,-0.528114,0.828513,0.000000,-0.274876,0.779730,0.562552,0.000000,-1755057.519533,4978501.279611,3567792.271677,1],    "boundingVolume": {    "region": [1.909658,0.597429,1.909783,0.597508,0.000000,8.581497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1255709.b3dm"}}}