{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897648,-0.440714,0.000000,0.000000,0.283161,-0.576744,0.766280,0.000000,-0.336772,0.685938,0.645038,0.000000,-2150973.191807,4381109.929817,4092304.442331,1],    "boundingVolume": {    "region": [2.027127,0.701039,2.027253,0.701108,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815409.b3dm"}}}