{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949884,-0.312602,0.000000,0.000000,0.114544,-0.348058,0.930449,0.000000,-0.290596,0.883018,0.368556,0.000000,-1854306.857736,5634569.862078,2336027.087124,1],    "boundingVolume": {    "region": [1.888643,0.377330,1.888812,0.377580,0.000000,12.155362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_14700.b3dm"}}}