{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897469,-0.441077,0.000000,0.000000,0.284868,-0.579628,0.763467,0.000000,-0.335802,0.683263,0.648373,0.000000,-2144812.003486,4364092.624076,4113522.716434,1],    "boundingVolume": {    "region": [2.027544,0.705411,2.027647,0.705481,0.000000,15.000791]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_1836837.b3dm"}}}