{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949467,-0.313866,0.000000,0.000000,0.175439,-0.530717,0.829192,0.000000,-0.259707,0.785633,0.561545,0.000000,-1658198.315441,5016172.094961,3561396.738544,1],    "boundingVolume": {    "region": [1.890009,0.596211,1.890108,0.596293,0.000000,8.264707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1358488.b3dm"}}}