{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943288,-0.331976,0.000000,0.000000,0.186114,-0.528831,0.828070,0.000000,-0.274316,0.779453,0.563208,0.000000,-1751488.754104,4976747.058196,3571962.872472,1],    "boundingVolume": {    "region": [1.909121,0.598214,1.909266,0.598311,0.000000,7.236577]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_545912.b3dm"}}}