{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896780,-0.442478,0.000000,0.000000,0.287583,-0.582851,0.759987,0.000000,-0.335321,0.679603,0.652457,0.000000,-2141776.964201,4340787.733760,4139504.828945,1],    "boundingVolume": {    "region": [2.029066,0.710770,2.029246,0.710875,0.000000,14.477163]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_1781755.b3dm"}}}