{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897472,-0.441071,0.000000,0.000000,0.285727,-0.581385,0.761808,0.000000,-0.335062,0.681770,0.650326,0.000000,-2140100.736115,4354588.173458,4125946.303463,1],    "boundingVolume": {    "region": [2.027512,0.707900,2.027664,0.708127,0.000000,6.761153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1796568.b3dm"}}}