{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943838,-0.330408,0.000000,0.000000,0.184453,-0.526905,0.829668,0.000000,-0.273553,0.781427,0.560839,0.000000,-1746595.954873,4989304.444773,3556910.152828,1],    "boundingVolume": {    "region": [1.907484,0.595342,1.907580,0.595457,0.000000,8.799901]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1275563.b3dm"}}}