{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949234,-0.314572,0.000000,0.000000,0.175921,-0.530849,0.829006,0.000000,-0.260232,0.785261,0.561822,0.000000,-1661554.040041,5013804.615885,3563154.210539,1],    "boundingVolume": {    "region": [1.890751,0.596576,1.890853,0.596597,0.000000,10.748309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1418356.b3dm"}}}