{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950046,-0.312111,0.000000,0.000000,0.174051,-0.529799,0.830072,0.000000,-0.258531,0.786953,0.560238,0.000000,-1650683.460666,5024577.035014,3553085.854764,1],    "boundingVolume": {    "region": [1.888128,0.594607,1.888292,0.594738,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459257.b3dm"}}}