{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950643,-0.310286,0.000000,0.000000,0.173305,-0.530966,0.829482,0.000000,-0.256835,0.786884,0.561115,0.000000,-1639860.953494,5024148.990461,3558660.582280,1],    "boundingVolume": {    "region": [1.886232,0.595675,1.886348,0.595789,0.000000,8.452153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1343840.b3dm"}}}