{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950139,-0.311825,0.000000,0.000000,0.116783,-0.355842,0.927221,0.000000,-0.288857,0.880155,0.376682,0.000000,-1843245.717621,5616414.886609,2387580.753286,1],    "boundingVolume": {    "region": [1.887856,0.386121,1.887964,0.386302,0.000000,4.934408]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/15_61147.b3dm"}}}