{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949454,-0.313905,0.000000,0.000000,0.175454,-0.530687,0.829209,0.000000,-0.259745,0.785638,0.561521,0.000000,-1658438.356375,5016202.949669,3561242.543909,1],    "boundingVolume": {    "region": [1.890050,0.596182,1.890149,0.596264,0.000000,8.656528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1443564.b3dm"}}}