{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949456,-0.313900,0.000000,0.000000,0.175497,-0.530826,0.829111,0.000000,-0.259710,0.785546,0.561666,0.000000,-1658216.440553,5015617.178904,3562164.588559,1],    "boundingVolume": {    "region": [1.890045,0.596357,1.890144,0.596439,0.000000,7.964432]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1337950.b3dm"}}}