{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943267,-0.332036,0.000000,0.000000,0.186353,-0.529403,0.827651,0.000000,-0.274227,0.779037,0.563827,0.000000,-1750918.855599,4974103.178587,3575896.271661,1],    "boundingVolume": {    "region": [1.909186,0.598963,1.909330,0.599061,0.000000,8.706485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_544549.b3dm"}}}