{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949757,-0.312988,0.000000,0.000000,0.115322,-0.349943,0.929645,0.000000,-0.290701,0.882128,0.370599,0.000000,-1854986.161622,5628919.111432,2348987.180033,1],    "boundingVolume": {    "region": [1.889065,0.379563,1.889203,0.379745,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73138.b3dm"}}}