{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896344,-0.443360,0.000000,0.000000,0.283736,-0.573631,0.768401,0.000000,-0.339739,0.686852,0.642504,0.000000,-2169901.011744,4386902.128521,4076183.549723,1],    "boundingVolume": {    "region": [2.030074,0.697702,2.030207,0.697822,0.000000,49.375841]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_537022.b3dm"}}}