{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950628,-0.310333,0.000000,0.000000,0.173620,-0.531839,0.828857,0.000000,-0.256679,0.786272,0.562043,0.000000,-1638869.400485,5020259.615725,3564561.593582,1],    "boundingVolume": {    "region": [1.886258,0.596769,1.886423,0.596939,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1396051.b3dm"}}}