{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949239,-0.314556,0.000000,0.000000,0.115169,-0.347548,0.930562,0.000000,-0.292449,0.882526,0.368268,0.000000,-1866125.022096,5631430.909419,2334196.848190,1],    "boundingVolume": {    "region": [1.890723,0.377097,1.890847,0.377193,0.000000,69.927475]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22887.b3dm"}}}