{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897631,-0.440748,0.000000,0.000000,0.283178,-0.576722,0.766291,0.000000,-0.336802,0.685934,0.645026,0.000000,-2151168.847722,4381088.645684,4092224.919458,1],    "boundingVolume": {    "region": [2.027165,0.701023,2.027291,0.701092,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815148.b3dm"}}}