{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950859,-0.309625,0.000000,0.000000,0.172998,-0.531278,0.829346,0.000000,-0.256246,0.786932,0.561317,0.000000,-1636097.367984,5024460.490648,3559944.207769,1],    "boundingVolume": {    "region": [1.885522,0.595866,1.885668,0.596086,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339744.b3dm"}}}