{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950771,-0.309895,0.000000,0.000000,0.173210,-0.531416,0.829214,0.000000,-0.256428,0.786732,0.561514,0.000000,-1637262.122051,5023187.688580,3561196.243149,1],    "boundingVolume": {    "region": [1.885806,0.596104,1.885952,0.596324,0.000000,8.812346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1339074.b3dm"}}}