{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944034,-0.329847,0.000000,0.000000,0.184394,-0.527741,0.829149,0.000000,-0.272916,0.781096,0.561610,0.000000,-1742537.453649,4987206.666969,3561806.296098,1],    "boundingVolume": {    "region": [1.906890,0.596273,1.906986,0.596387,0.000000,8.749306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1288815.b3dm"}}}