{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858240,-0.513248,0.000000,0.000000,0.263027,-0.439827,0.858702,0.000000,-0.439946,0.735667,0.515016,0.000000,-2808530.992699,4696357.438625,3265751.739459,1],    "boundingVolume": {    "region": [2.109679,0.540963,2.109843,0.541089,0.000000,74.128233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_466266.b3dm"}}}