{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949603,-0.313455,0.000000,0.000000,0.174936,-0.529964,0.829781,0.000000,-0.259553,0.786308,0.560671,0.000000,-1657208.935989,5020464.379925,3555842.130494,1],    "boundingVolume": {    "region": [1.889545,0.595063,1.889707,0.595329,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369444.b3dm"}}}