{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897443,-0.441131,0.000000,0.000000,0.285806,-0.581449,0.761730,0.000000,-0.335073,0.681677,0.650418,0.000000,-2140171.112863,4353998.413483,4126528.235411,1],    "boundingVolume": {    "region": [2.027578,0.708020,2.027730,0.708248,0.000000,12.034007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797404.b3dm"}}}