{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952348,-0.305015,0.000000,0.000000,0.113660,-0.354881,0.927977,0.000000,-0.282781,0.882927,0.374798,0.000000,-1804466.958327,5634082.225102,2375628.960239,1],    "boundingVolume": {    "region": [1.880677,0.384115,1.880824,0.384243,0.000000,4.902704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/27/20_39687.b3dm"}}}