{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949512,-0.313732,0.000000,0.000000,0.175244,-0.530376,0.829452,0.000000,-0.259679,0.785918,0.561160,0.000000,-1658013.818096,5017984.434991,3558945.195082,1],    "boundingVolume": {    "region": [1.889868,0.595745,1.889967,0.595827,0.000000,7.205152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1363639.b3dm"}}}