{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949240,-0.314553,0.000000,0.000000,0.115200,-0.347643,0.930523,0.000000,-0.292434,0.882490,0.368367,0.000000,-1866029.160342,5631198.222759,2334830.491007,1],    "boundingVolume": {    "region": [1.890720,0.377204,1.890844,0.377301,0.000000,51.929542]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_23168.b3dm"}}}