{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899184,-0.437571,0.000000,0.000000,0.282676,-0.580884,0.763327,0.000000,-0.333071,0.684443,0.648538,0.000000,-2127370.922628,4371628.011509,4114571.113735,1],    "boundingVolume": {    "region": [2.023609,0.705603,2.023774,0.705722,0.000000,42.261324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1828421.b3dm"}}}