{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949435,-0.313964,0.000000,0.000000,0.175441,-0.530536,0.829308,0.000000,-0.259825,0.785717,0.561374,0.000000,-1658951.080749,5016702.886956,3560305.701866,1],    "boundingVolume": {    "region": [1.890113,0.596004,1.890211,0.596086,0.000000,13.039402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1359972.b3dm"}}}