{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950148,-0.311800,0.000000,0.000000,0.174231,-0.530934,0.829309,0.000000,-0.258034,0.786307,0.561373,0.000000,-1647515.531608,5020474.203769,3560299.827175,1],    "boundingVolume": {    "region": [1.887814,0.595939,1.887952,0.596148,0.000000,8.798324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1430966.b3dm"}}}