{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895913,-0.444231,0.000000,0.000000,0.283903,-0.572568,0.769132,0.000000,-0.340732,0.687180,0.641627,0.000000,-2176238.254583,4388980.127128,4070601.918727,1],    "boundingVolume": {    "region": [2.031057,0.696564,2.031166,0.696671,0.000000,39.250883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_619548.b3dm"}}}