{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857780,-0.514018,0.000000,0.000000,0.263134,-0.439112,0.859035,0.000000,-0.440779,0.735560,0.514456,0.000000,-2813841.313064,4695666.841744,3262195.637800,1],    "boundingVolume": {    "region": [2.110576,0.540310,2.110741,0.540436,0.000000,37.453941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_141787.b3dm"}}}