{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950321,-0.311271,0.000000,0.000000,0.174038,-0.531345,0.829086,0.000000,-0.257526,0.786237,0.561704,0.000000,-1644276.254873,5020034.080504,3562403.118683,1],    "boundingVolume": {    "region": [1.887250,0.596351,1.887402,0.596536,0.000000,8.809496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397959.b3dm"}}}