{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949645,-0.313329,0.000000,0.000000,0.116083,-0.351826,0.928840,0.000000,-0.290763,0.881250,0.372633,0.000000,-1855387.011386,5623347.192446,2361893.398722,1],    "boundingVolume": {    "region": [1.889424,0.381795,1.889562,0.381895,0.000000,18.316293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64247.b3dm"}}}