{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897926,-0.440146,0.000000,0.000000,0.281382,-0.574037,0.768964,0.000000,-0.337525,0.688573,0.641829,0.000000,-2155754.097254,4397878.821554,4071888.385547,1],    "boundingVolume": {    "region": [2.026511,0.696853,2.026604,0.696910,0.000000,39.902750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/2_750890.b3dm"}}}