{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895732,-0.444595,0.000000,0.000000,0.284117,-0.572414,0.769168,0.000000,-0.341028,0.687074,0.641584,0.000000,-2178123.624432,4388300.385863,4070328.204879,1],    "boundingVolume": {    "region": [2.031457,0.696503,2.031579,0.696620,0.000000,33.651999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_948880.b3dm"}}}