{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892641,-0.450768,0.000000,0.000000,0.290717,-0.575698,0.764235,0.000000,-0.343528,0.680277,0.647466,0.000000,-2194146.854715,4345002.346304,4107747.107773,1],    "boundingVolume": {    "region": [2.038369,0.704220,2.038474,0.704289,0.000000,32.581774]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1967654.b3dm"}}}