{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892477,-0.451093,0.000000,0.000000,0.290862,-0.575463,0.764357,0.000000,-0.343831,0.680261,0.647322,0.000000,-2196081.453167,4344896.194388,4106831.638168,1],    "boundingVolume": {    "region": [2.038734,0.704031,2.038838,0.704100,0.000000,28.552319]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1974619.b3dm"}}}