{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950380,-0.311090,0.000000,0.000000,0.173979,-0.531507,0.828994,0.000000,-0.257348,0.786199,0.561839,0.000000,-1643138.006575,5019789.848858,3563266.542353,1],    "boundingVolume": {    "region": [1.887087,0.596558,1.887185,0.596657,0.000000,8.795997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1392598.b3dm"}}}