{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943143,-0.332386,0.000000,0.000000,0.186136,-0.528160,0.828493,0.000000,-0.274797,0.779736,0.562582,0.000000,-1754554.995143,4978540.921082,3567982.831183,1],    "boundingVolume": {    "region": [1.909566,0.597465,1.909691,0.597545,0.000000,8.563592]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1255587.b3dm"}}}