{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942776,-0.333426,0.000000,0.000000,0.186835,-0.528284,0.828256,0.000000,-0.275578,0.779208,0.562932,0.000000,-1759540.828384,4975172.962015,3570209.707928,1],    "boundingVolume": {    "region": [1.910669,0.597898,1.910794,0.597960,0.000000,7.944294]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/19_1250460.b3dm"}}}