{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949738,-0.313045,0.000000,0.000000,0.174986,-0.530885,0.829181,0.000000,-0.259024,0.785846,0.561563,0.000000,-1653840.137760,5017531.234997,3561507.916096,1],    "boundingVolume": {    "region": [1.889118,0.596189,1.889271,0.596357,0.000000,18.428142]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_1439951.b3dm"}}}