{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950944,-0.309364,0.000000,0.000000,0.112997,-0.347338,0.930907,0.000000,-0.287730,0.884442,0.367387,0.000000,-1836009.981983,5643645.018830,2328610.190609,1],    "boundingVolume": {    "region": [1.885287,0.376180,1.885355,0.376216,0.000000,13.262117]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6.b3dm"}}}