{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896545,-0.442953,0.000000,0.000000,0.283382,-0.573569,0.768579,0.000000,-0.339506,0.687166,0.642291,0.000000,-2168414.025127,4388903.576938,4074829.250618,1],    "boundingVolume": {    "region": [2.029602,0.697410,2.029771,0.697559,0.000000,51.622141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_503135.b3dm"}}}