{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896336,-0.443374,0.000000,0.000000,0.283760,-0.573655,0.768375,0.000000,-0.339738,0.686823,0.642536,0.000000,-2169896.623214,4386715.049364,4076385.852920,1],    "boundingVolume": {    "region": [2.030090,0.697744,2.030223,0.697863,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_537056.b3dm"}}}