{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948475,-0.316853,0.000000,0.000000,0.115869,-0.346845,0.930738,0.000000,-0.294641,0.881984,0.367820,0.000000,-1880111.556126,5627962.789818,2331355.043938,1],    "boundingVolume": {    "region": [1.893159,0.376636,1.893254,0.376690,0.000000,61.179180]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/12_30468.b3dm"}}}