{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949634,-0.313360,0.000000,0.000000,0.116114,-0.351881,0.928815,0.000000,-0.290784,0.881217,0.372695,0.000000,-1855520.021127,5623136.389228,2362288.100197,1],    "boundingVolume": {    "region": [1.889456,0.381862,1.889595,0.381962,0.000000,6.390403]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/20_64394.b3dm"}}}