{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949873,-0.312637,0.000000,0.000000,0.114569,-0.348091,0.930433,0.000000,-0.290624,0.882992,0.368596,0.000000,-1854485.885477,5634404.815624,2336281.334365,1],    "boundingVolume": {    "region": [1.888680,0.377374,1.888849,0.377623,0.000000,21.061102]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_14770.b3dm"}}}