{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949206,-0.314655,0.000000,0.000000,0.115240,-0.347638,0.930520,0.000000,-0.292528,0.882455,0.368375,0.000000,-1866628.926532,5630978.848625,2334879.820777,1],    "boundingVolume": {    "region": [1.890827,0.377212,1.890952,0.377309,0.000000,62.199424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_23186.b3dm"}}}