{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895768,-0.444522,0.000000,0.000000,0.284131,-0.572560,0.769054,0.000000,-0.340921,0.686998,0.641721,0.000000,-2177443.294736,4387822.703796,4071201.200196,1],    "boundingVolume": {    "region": [2.031376,0.696681,2.031498,0.696799,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_766869.b3dm"}}}