{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897439,-0.441138,0.000000,0.000000,0.285806,-0.581436,0.761740,0.000000,-0.335082,0.681683,0.650406,0.000000,-2140234.441489,4354037.707834,4126454.426518,1],    "boundingVolume": {    "region": [2.027587,0.708005,2.027738,0.708233,0.000000,9.925993]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797245.b3dm"}}}