{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858311,-0.513130,0.000000,0.000000,0.262528,-0.439130,0.859211,0.000000,-0.440108,0.736168,0.514160,0.000000,-2809559.210450,4699542.800860,3260317.083846,1],    "boundingVolume": {    "region": [2.109541,0.539966,2.109706,0.540091,0.000000,95.756001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_128271.b3dm"}}}