{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852929,-0.522027,0.000000,0.000000,0.269355,-0.440094,0.856601,0.000000,-0.446366,0.729308,0.518524,0.000000,-2849549.775951,4655816.014176,3288040.871707,1],    "boundingVolume": {    "region": [2.119976,0.545082,2.120069,0.545166,0.000000,211.379700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_5464.b3dm"}}}