{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898351,-0.439279,0.000000,0.000000,0.284071,-0.580942,0.762765,0.000000,-0.334123,0.683301,0.649201,0.000000,-2134093.233538,4364348.258715,4118787.485377,1],    "boundingVolume": {    "region": [2.025541,0.706496,2.025642,0.706571,0.000000,43.122198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1818802.b3dm"}}}