{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943071,-0.332591,0.000000,0.000000,0.186176,-0.527908,0.828645,0.000000,-0.275018,0.779820,0.562357,0.000000,-1755960.118066,4979074.140555,3566556.847991,1],    "boundingVolume": {    "region": [1.909783,0.597194,1.909909,0.597273,0.000000,8.288895]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1256265.b3dm"}}}