{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951866,-0.306514,0.000000,0.000000,0.112578,-0.349606,0.930108,0.000000,-0.284832,0.884532,0.369423,0.000000,-1817526.438579,5644246.543756,2341529.233577,1],    "boundingVolume": {    "region": [1.882243,0.378328,1.882407,0.378449,0.000000,20.735773]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10_45607.b3dm"}}}