{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943059,-0.332625,0.000000,0.000000,0.186550,-0.528908,0.827923,0.000000,-0.274804,0.779125,0.563425,0.000000,-1754601.485515,4974651.790212,3573344.311459,1],    "boundingVolume": {    "region": [1.909810,0.598477,1.909954,0.598574,0.000000,8.271716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_545263.b3dm"}}}