{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943399,-0.331660,0.000000,0.000000,0.185788,-0.528469,0.828374,0.000000,-0.274157,0.779834,0.562758,0.000000,-1750468.949393,4979168.156161,3569106.790848,1],    "boundingVolume": {    "region": [1.908796,0.597679,1.908921,0.597759,0.000000,8.734205]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1255066.b3dm"}}}