{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896342,-0.443364,0.000000,0.000000,0.283713,-0.573578,0.768450,0.000000,-0.339764,0.686894,0.642446,0.000000,-2170059.422600,4387170.397776,4075812.971663,1],    "boundingVolume": {    "region": [2.030078,0.697626,2.030211,0.697746,0.000000,46.053164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_536813.b3dm"}}}