{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897444,-0.441129,0.000000,0.000000,0.285807,-0.581454,0.761726,0.000000,-0.335069,0.681674,0.650422,0.000000,-2140150.191195,4353978.725035,4126559.647992,1],    "boundingVolume": {    "region": [2.027576,0.708027,2.027728,0.708254,0.000000,12.034007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797493.b3dm"}}}