{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950810,-0.309773,0.000000,0.000000,0.171369,-0.525995,0.833044,0.000000,-0.257522,0.790432,0.555787,0.000000,-1644213.253015,5046706.536063,3524799.931163,1],    "boundingVolume": {    "region": [1.885666,0.589247,1.885836,0.589371,0.000000,7.987944]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1462901.b3dm"}}}