{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943098,-0.332516,0.000000,0.000000,0.186325,-0.528462,0.828258,0.000000,-0.274826,0.779475,0.562930,0.000000,-1754741.665728,4976877.273014,3570196.384565,1],    "boundingVolume": {    "region": [1.909704,0.597887,1.909829,0.597966,0.000000,8.789222]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1284836.b3dm"}}}