{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949578,-0.313531,0.000000,0.000000,0.115553,-0.349972,0.929606,0.000000,-0.291193,0.881924,0.370699,0.000000,-1858120.938327,5627618.118578,2349622.431113,1],    "boundingVolume": {    "region": [1.889651,0.379704,1.889759,0.379819,0.000000,5.615045]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/20_74297.b3dm"}}}