{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858490,-0.512831,0.000000,0.000000,0.262574,-0.439554,0.858980,0.000000,-0.439733,0.736122,0.514548,0.000000,-2807164.455227,4699253.548181,3262779.267604,1],    "boundingVolume": {    "region": [2.109193,0.540418,2.109357,0.540543,0.000000,18.992233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_261636.b3dm"}}}