{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857966,-0.513707,0.000000,0.000000,0.263246,-0.439659,0.858721,0.000000,-0.440349,0.735448,0.514984,0.000000,-2811104.103836,4694959.918948,3265548.647406,1],    "boundingVolume": {    "region": [2.110214,0.540926,2.110378,0.541051,0.000000,13.011500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_462248.b3dm"}}}