{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897628,-0.440753,0.000000,0.000000,0.283172,-0.576702,0.766309,0.000000,-0.336814,0.685948,0.645005,0.000000,-2151244.338638,4381178.194110,4092090.270037,1],    "boundingVolume": {    "region": [2.027170,0.700995,2.027297,0.701064,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861818.b3dm"}}}